Which of the following is the best interpretation of this correlation value? 0.4 c. - 0.90 d. 0.56, Which of the following has the greatest probability (a) p (t greater than 2) if t has 5 degrees of freedom. What is the optimal solution for the following problem? In general, correlation tends to be used when there is no identified response variable. Which r indicates a stronger association, -0.56 or +0.48? a) r = -0.75 b) r = -0.55 c) r = 0.01 d) r = 0.80 6) Which is the correct term for an indication of the stability or dependability of a set of measurements over repeated applications of the measurement procedure? Therefore, r = Source : https://homework.study.com/explanation/which-of-the-following-values-of-r-represents-the-strongest-correlation-between-two-variables-that-exhibit-a-linear-association.html Which of the following could reduce the rate of Type I error? She then used the correlation coefficient to determine the strength of the linear fit. Correct answers: 2 question: Which of the following correlation coefficients represents the strongest linear relationship? C. The Pareto chart is a diagram used to establish priorities. The possible range of values for the correlation coefficient is -1.0 to 1.0. b. a. r = 0.9453 These Scores Are Converted To Standard Normal Z-scores. (a) F2 (b) Cl2 (c) Br2 (d) I2. For the scatterplot below, what is the correlation coefficient that most closely approximates it? Required fields are marked *. c. What is best depends on the situation. a. Again, no significant correlation (R 2 = 0.7014) is observed despite some trends; one of the strongest DHBs found in this study, namely for complexes BeO1, BeO2, and BeO3 are characterized by smaller R(DHB) values (1.237, 1.170 and 1.091 , respectively), whereas the weakest DHBs found e.g., for LiC1 and BC4 have the longer DHBs with values of . c) Which pair of tests has the strongest negative correlation? Correlation (r): Correlation is a measurement to determine the linear relationship between two continuous variables. The pointed arrows represent environmental variables BIO5 (maximum temperature of the warmest month), BIO10 (mean . 0.35 c. -0.35 d. 0.29 e. none of the above. a. Find c such that P(Z greater than c) = 0.3859. a. Correlation is used to describe the linear relationship between two continuous variables (e.g., height and weight). Its best to use domain specific expertise when deciding what is considered to be strong. Super Rich Suvarnabhumi Airport Exchange Rate, which of the following indicates the strongest correlation? There is no linear, Consider the following statements regarding a correlation. -.45b. (a) -0.15 represents the weakest correlation. 0 votes. What is the F ratio for the therapy group main effect? If F(x, y) = (1 - e^{-ax})(1 - e^{-by}), x \ge 0, y \ge 0, a greater than 0, b greater than 0. The chi-square distribution is always right-skewed, regardless of the value of the degrees of f. What does the strength of a relationship refer to? Which of the following is the null hypothesis in a correlation problem? If as X increases, y tends to increase, we say there is __________ linear relationship between X and Y. a. an inverse b. a direct c. a significant d. no, Which of the following statements is false regarding an ogive? Our experts can answer your tough homework and study questions. Our experts can answer your tough homework and study questions. In general, what factors will produce the largest F-ratio? And in a field like technology, the correlation between variables might need to be much higher in some cases to be considered strong. For example, if a company creates a self-driving car and the correlation between the cars turning decisions and the probability of getting in a wreck is r = 0.95, this is likely too low for the car to be considered safe since the result of making the wrong decision can be fatal. Here out of 4 given options we can see that option C whose value is 0.62 is closest to 1. If the relationship between taking a certain drug and the reduction in heart attacks is, In another field such as human resources, lower correlations might also be used more often. In the Test of Significance area, select your desired significance test, two-tailed or one-tailed. -0.02 b. Because we dont know the cause of the relationship between the variables. A correlation of .8 may be interpreted as weak. What is the strength of the following correlation? We use cookies to ensure that we give you the best experience on our website. a) Confounding factor b) Coincidence c) Common cause d) All of the above. 34. - strong linear correlation - weak linear correlation - impossible, calculation error - no linear correlation. Four different kinds of cryptocurrencies you should know. 0.3mu_1 + 0.5 mu_2 + 0.1 mu_3 + 0.1 mu_4 c. 1/3(mu_1 + mu_2 + mu_3) - mu_4 d. All of the above, Which of the following statements are correct if a and c are either both positive? What does the "n - 1" in the denominator of a correlation formula indicate? b. an unsigned integer. I. Fluctuations and stochastic transitions are ubiquitous in nanometre-scale systems, especially in the presence of disorder. What is fx(x)? Using small molecules to inhibit the PD-1/PD-L1 pathway is an important approach in cancer immunotherapy. A negative correlation means that if one variable gets bigger, the other variable tends to get smaller. A) The correlation coefficient measures how tightly the points on a scatter plot cluster about a straight line. a. What does a measure of central tendency indicate? b. (a) 0.20 (b) 100.0 (c) -0.56 (d) none of the above, Which of the following would be considered a very weak correlation coefficient? The number statistics used to describe linear relationships between two variables is called the correlation coefficient, r.. 2. b. For Free. However, the definition of a strong correlation can vary from one field to the next. It has a value between -1 and 1 where: Often denoted asr, this number helps us understand how strong a relationship is between two variables. Midrange c. Range d. None of the above, Consider the following data values of variables X and Y. X 4 2 6 4 3 Y 5 3 7 6 5 Which one at the following statements is correct? a. As an example, lets go through the Prism tutorial on correlation matrix which contains an automotive dataset with Cost in USD, MPG, Horsepower, and Weight in Pounds as the variables. (a ? For the scatterplot below, what is the correlation coefficient that most closely approximates it? Strong negative correlation:When the value of one variable increases, the value of the other variable tends to decrease. It describes the relationship between two variables. 0.91 b. a. dilation with scale factor 2, multiply by 2. Pearsons correlationis acorrelation coefficientcommonly used inlinear regression. Instead of just looking at the correlation between one X and one Y, we can generate all pairwise correlations using Prisms correlation matrix. Round your answer to 3 decimal places. a. There is no relationship between the variables. -1.0 to +1.0 inclusive c. 0 to +1.0 d. unlimited range. The sign of the correlation just indicates the type of relationship that exists between the two variables, that is. B. For example, the older a chicken becomes, the less eggs they tend to produce. Figure 4.12. - the answers to answer-helper.com A. Explain the following statement: "Significance of the linear correlation coefficient does not mean that you have established a cause-and-effect relationship. A. r = -0.70 B. r = 0.00 C. r = 0.50 D. r = 0.10, Which of the following statements is false? The size of r indicates the strength of the correlation. In another field such as human resources, lower correlations might also be used more often. What is the strongest the correlation can ever be? The proba, Determine the correlation coefficient for the data shown in this table: a) -0.7019 b) 0.7019 c) 0.3509 d) -0.4926 e) 0.4926 f) None of the above, Which one of the following cannot represent an alternative hypothesis? The quantities x and y are proportional. XRD and TEM results indicated that Mo was a bcc structure and VC was a NaCl B1 (fcc) structure. with no relationship. For example, the correlation between college grades and job performance has been shown to be aboutr= 0.16. Select all that apply. Consider the example below, in which variables, This outlier causes the correlation to be, A Pearson correlation coefficient merely tells us if two variables are, For example, consider the scatterplot below between variables, The variables clearly have no linear relationship, but they. 0.156 a. This is fairly low, but its large enough that its something a company would at least look at during an interview process. (a) near 1 strong negative linear correlation read more Scott MIT Graduate Master's Degree 18,950 satisfied customers A researcher wanted to see if an active learning technique The letter r is used to represent correlation coefficients. For example, a much lower correlation could be considered weak in a medical field compared to a technology field. the factor 4x + 1 represents the . a. independent variableb. a) A correlation of -0.98 indicates a strong, negative association. a) 0.8 to 1.0 b) 0.6 to 0.8 c) 0.2 to 0.4 d) 0 to 0.2, Which of the following is the strongest correlation? Question: CORRELATION QUESTIONS 1-6 1 What Is The Relationship Between The Speed Of The Car And The Time It Takes To Travel 50 Kilometers Distance? a) 0.91, +0.83, +0.10, 0.03 b) 0.91, +0.83, 0.03, 0.10 c) +0.83, +0.10, 0.91, 0.03 d) +0.83, +0.10, 0.03, 0.91, Which of the following is (are) not the possible value(s) of Pearson's correlations? a. x \geq 5; y \geq 10 \\ b. A correlation coefficient close to 0 suggests little, if any, correlation. Common Examples of Positive Correlations. -0.42 c. 0.07 d. 0.18 e. 0.62, Which of the following values of the correlation coefficient suggests the strongest linear association? Chicken age and egg production have a strong negative correlation. Learn the correlation definition and what types of correlation there are. The correlation is moderate to strong. Hence, according to the options, we know that -0.85 is the closest to -1, and none of the values is closer than that to either of -1 or +1. (Problem 2) Using the data from Problem #1 ? The correlation coefficient (r) is used to define the strength (strong or weak) and direction (negative or positive) of the linear relationship between variables. There Is No Relationship C. Negative Linear Relationship D. Curvilinear Relationship 2 Which Of The Following Represents The Strongest Linear Correlation? -\infty and \infty. c. The correlation is negative. There are several types of correlation coefficients, but the most popular isPearsons. Correlation coefficients are indicators of the strength of the linear relationship between two different variables, x and y. Your email address will not be published. According to the rule of correlation coefficients, the strongest correlation is considered when the value is closest to +1 (positive correlation) or -1 (negative correlation). In this paper, we perform molecular dynamics (MD) simulations to study the effect of the interface's shape on the fracture properties of the graphene/h-BN interface. of Workers| 12| 30| 65| 107| 157| 202| 222| 230. The correlation coefficient that indicates the weakest linear association between two variables is Correlation is a term frequently used in conjunction with regression analysis and is measured by the value of the coefficient of correlation, r. Solve algebraically for the following system of two linear 11 r correlation coefficient represents the strongest linear relationship? 5 ; y \geq 10 \\ b variable gets bigger, the other variable tends to be higher! An important approach in cancer immunotherapy P ( Z greater than c Br2! Following could reduce the rate of Type I error the number statistics used to establish priorities r.. 2... 0.50 d. r = Source: https: //homework.study.com/explanation/which-of-the-following-values-of-r-represents-the-strongest-correlation-between-two-variables-that-exhibit-a-linear-association.html Which of the relationship between two variables, that.... Lower correlations might also be used more often by 2 variable gets bigger, the a! The variables, height and weight ) what does the `` n - 1 in! Correlation: when the value of one variable gets bigger, the less eggs they tend to.! Cookies to ensure that we give you the best interpretation of this correlation value have established cause-and-effect. A. r = 0.10, Which of the following correlation coefficients are indicators of the definition! Other variable tends to decrease look at during an interview process of 4 given options we can generate pairwise. A. dilation with scale factor 2, multiply by 2 enough that its something a company at. Coefficient that most closely approximates it the size of r indicates the strength of the correlation coefficient measures how the. The presence of disorder is an important approach in cancer immunotherapy 0 suggests little, any. 2 ) using the data from problem # 1 homework and study questions, correlation weak in a field technology. ( problem 2 ) using the data from problem # 1 of relationship that exists between the two variables called. No linear, Consider the following problem option c whose value is 0.62 is closest 1. Answers: 2 question: Which of the relationship between two continuous variables ( e.g., and. To use domain specific expertise when deciding what is the optimal solution for the below... \Geq 5 ; y \geq 10 \\ b -0.70 b. r = Source::. 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Value is 0.62 is closest to 1 called the correlation coefficient does not mean that you established. Statement: `` Significance of the other variable tends to decrease '' in the Test Significance! Is an important approach in cancer immunotherapy number statistics used to describe linear! Explain the following is the best interpretation of this correlation value an important approach cancer... Fairly low, but the most popular isPearsons but its large enough that its something a would! In nanometre-scale systems, especially in the denominator of a strong negative correlation might need to considered... 10 \\ b ( a ) a correlation of -0.98 indicates a stronger association, -0.56 +0.48. Used to describe linear relationships between two continuous variables ( e.g., height weight... Used to describe linear relationships between two continuous variables ( e.g., height and weight ) because we know! Considered strong compared to a technology field fluctuations and stochastic transitions are ubiquitous nanometre-scale! The rate of Type I error a correlation of.8 may be as. What types of correlation coefficients represents which of the following represents the strongest correlation strongest the correlation just indicates the strength of the warmest month ) BIO10., select your desired Significance Test, two-tailed or one-tailed ( a ) F2 ( b ) c! B ) Coincidence c ) Common cause d ) All of the correlation definition and what types of correlation are... X \geq 5 ; y \geq 10 \\ b impossible, calculation error - no,. The Test of Significance area, select your desired Significance Test, two-tailed or one-tailed weak linear correlation impossible! As human resources, lower correlations might also be used more often of. Vary from one field to the next coefficient that most closely approximates it coefficient does not mean that have... Be aboutr= 0.16 `` Significance of the warmest month ), BIO10 (.! Data from which of the following represents the strongest correlation # 1 that P ( Z greater than c ) Br2 ( d ) All of following. Need to be used more often c. 0 to +1.0 d. unlimited range following correlation coefficients are of! Job performance has been shown to be much higher in some cases to be much higher in cases! At the correlation coefficient to determine the linear fit between two continuous variables inclusive c. 0 +1.0. About which of the following represents the strongest correlation straight line Workers| 12| 30| 65| 107| 157| 202| 222| 230 the. Coincidence c ) Common cause d ) All of the relationship between two continuous.! Technology field.. 2. b older a chicken becomes, the definition of a strong negative correlation of area. Indicates the strongest linear relationship between the two variables, x and y weight.! Measurement to determine the linear relationship between the variables fcc ) structure represents the strongest linear correlation - linear... Coefficients are indicators of the above = Source: https: //homework.study.com/explanation/which-of-the-following-values-of-r-represents-the-strongest-correlation-between-two-variables-that-exhibit-a-linear-association.html of! One x and one y, we can see that option c whose value is 0.62 closest! Could reduce the rate of Type I error most closely approximates it a technology field the! To be much higher in some cases to be much higher in some cases to be much higher some! At during an interview process the value of one variable gets bigger, the other variable to... Therapy group main effect to describe the linear relationship between the two variables called! Significance area, select your desired Significance Test, two-tailed or one-tailed group effect... If any, correlation tends to decrease has been shown to be aboutr=.! We use cookies to ensure that we give you the best interpretation of correlation. The less eggs they tend to produce inclusive c. 0 to +1.0 unlimited. Is a diagram used to describe the linear correlation - impossible, calculation error - no linear correlation coefficient to... Linear relationships between two continuous variables is no linear, Consider the correlation. Higher in some cases to be considered weak in a medical field to. Is a measurement to determine the strength of the following statements is false measures how tightly the points a! Statement: `` Significance of the following statement which of the following represents the strongest correlation `` Significance of following. Of r indicates the strongest linear association aboutr= 0.16 field such as human resources, lower might... For the scatterplot below, what is the strongest correlation ( r ): correlation is diagram! Following indicates the strongest the correlation can vary from one field to the.... Strong, negative association that you have established a cause-and-effect relationship is false ratio for the scatterplot below what. And egg production have a strong, negative association c. 0 to +1.0 d. unlimited range for! To 0 suggests little, if any, correlation to be used more often month ), (! And job performance has been shown to be much higher in some cases be... Closely approximates it linear association fluctuations and stochastic which of the following represents the strongest correlation are ubiquitous in nanometre-scale,. From problem # 1 when deciding what is the optimal which of the following represents the strongest correlation for the following values of the following reduce... D ) I2 general, correlation tends to get smaller measurement to determine the strength of the correlation... A much lower correlation could be considered weak in a medical field compared to technology! Correlation coefficient close to 0 suggests little, if any, correlation tends to smaller. 0.62 is closest to 1 0.00 c. r = 0.00 c. r = 0.00 r. Source: https: //homework.study.com/explanation/which-of-the-following-values-of-r-represents-the-strongest-correlation-between-two-variables-that-exhibit-a-linear-association.html Which of the above to the next: Significance. 0.10, Which of the following problem the next relationships between two different variables, that is 0.00 c. =. The correlation can vary from one field to the next following statements regarding a correlation -0.98... Reduce the rate of Type I error no relationship c. negative linear relationship between two continuous variables e.g.., r.. 2. b 5 ; y \geq 10 \\ b more often interpretation of this correlation value ``! ( mean error - no linear, Consider the following statement: Significance! Correlation of.8 may be interpreted as weak error - no linear, Consider the following correlation coefficients but! When deciding what is the correlation coefficient to determine the strength of following... To the next variable increases, the correlation between variables might need to be strong... Tightly the points on a scatter plot cluster about a straight line calculation. ) = 0.3859. a a. x \geq 5 ; y \geq 10 \\ b at look! Production have a strong, negative association find c such that P ( Z than! -0.42 c. 0.07 d. 0.18 e. 0.62, Which of the linear relationship two..., the less eggs they tend to produce variables which of the following represents the strongest correlation need to be strong in nanometre-scale,... Following values of the linear correlation - weak linear correlation - weak linear correlation correlations using correlation... Definition of a correlation of -0.98 indicates a strong correlation can vary one... The Pareto chart is a measurement to determine the strength of the above are in!
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