Which of the following Pearson r values shows the strongest relationship between two variables?
A. -0.75
B. +0.37
C. +.70
D. .95
Option D) is correct.
r=0.95
It is very close to +1
If r value close
then shows the strongest relationship between two
variables
Which of the following Pearson r values shows the strongest relationship between two variables? A. -0.75...
Which of the following correlations represents the strongest relationship bet variables? a. Correlation = -1.00 b. Correlation = -0.50 c. Correlation = +0.38 d. Correlation = +0.78 Which of the following correlations represents the weakest relationship between two wariables? a. Correlation = -1.00. b. Correlation = -0.40. c. Correlation = +0.18. d. Correlation = +0.88.
Question 3: a. I can tell the strength of a relationship between two variables by looking at the sign of the correlation coefficient(2 points) True False b. Which correlation coefficient represents the strongest relationship between two variables: (2 points) + 0.75 - 0.9 + 0.20 - 0.50
71. Re-write the following r values from the Pearson Correlation in order from weakest to strongest. (5 marks) -0.86 -0.43 0.01 0.095 0.68 ________ ________ ________ _______ ________ Weakest Strongest
Which of the following statements is correct? a. The stronger the linear relationship between two variables, the closer the correlation coefficient will be to 1.0. b. Two variables that are uncorrelated with one another may still be related in a nonlinear manner. c. A scatter plot showing two variables with a positive linear relationship will have all points on a straight line. d. All of the above are correct.
1. When no linear relationship exists between variable X and variable Y, r equals which of the following? a) −∞-∞ b) -1 c) 0 d) +1 e) +∞+∞ 2. Pearson’s r correlation measures the relationship between which of the following? a) Two continuous variables b) Two categorical variables c) One continuous and one categorical variable
An r² (coefficient of determination) of –1.00 indicates: A. a strong positive relationship between the two variables. B. a strong negative relationship between the two variables. C. an error in computation. D. no relationship between the two variables.
1) A scatter diagram shows the relationship between ____ variables and a bubble graph shows the relationship between _____ variables A. Two, Three B. Three, Four 2) _____ data deals with a single variable, whereas _____ data deals with two variables. A. univariate, bivariate B. bimodal, correlational 3) The probability of drawing a red club from a standard deck of playing cards. A. 25% B. 0% 4) The probability of rolling a pair of dice and getting 2 sixes. A. 2.8%...
7. You are testing the null hypothesis that there is no linear relationship between two variables, X and Y. From your sample of n=18, you determine that b1=4.4 and Sb1=1.7. a. What is the value of tSTAT? b. At the α=0.05 level of significance, what are the critical values? c. Based on your answers to (a) and (b), what statistical decision should you make? d. Construct a 95% confidence interval estimate of the population slope, β1. 8. You are testing...
Pearson's r measures what two components of a relationship between variables? Group of answer choices Strength and direction Predictions and real values Strength and magnitude Power and effect