Use the table of values to calculate the linear correlation coefficient r.
x | y |
---|---|
4 | -5 |
53 | -1 |
86 | 13 |
162 | 16 |
A. r = 0.918
B. r = 0.464
C. r = 0.619
D. r = 0.862
Please don't hesitate to give a "thumbs up" in case
you're satisfied with the answer
We employ the = CORREL(A1:A4, B1:B4) formula to calculate the correlation of this data.
This basically given a value of 0.917808 or 0.918
Answer is A. r = 0.918
Use the table of values to calculate the linear correlation coefficient r. x y 4 -5...
Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05. r =-0.816, n =5 A. Critical values: = +/- 0.878, no significant linear correlation B. Critical values: =0.950, significant linear correlation C. Critical values: = +/- 0.878, significant linear correlation D. Critical values: = +/-0.950, no significant linear correlation
Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05. r = 0.543, n = 25. SHOW WORK Group of answer choices A)Critical values: r = ± 0.396, significant linear correlation B)Critical values: r = ± 0.487, significant linear correlation C)Critical values: r = ± 0.396, no significant linear correlation...
Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05. r = 0.543, n = 25. A. Critical values: r = plus or minus 0.487, no significant linear correlation B. Critical values: r = plus or minus 0.396, no significant linear correlation C. Critical values: r = plus or minus...
Compute the correlation coefficient for the data below. x values -5 -1 5 y values 5 3 -4 a. 0.932 b. –0.343 c. –0.490 d. –0.981
Calculate the correlation coefficient r, Row 1 represent the x-values and Row 2 the y-values. Then calculate it again, letting Row 2 represent the x-values and Row 1 the y-values. What effect does switching the variables have on r? 50 Row 1 27 40 57 62 129 166 197 156 140 133 172 Calculate the correlation coefficient r, letting Row 1 represent thex-values and Row 2 the y-values. r.] (Round to three decimal places as needed.) Calculate the correlation coefficient...
- Calculate the linear correlation coefficient and comment on the strength or weakness of the linear correlation between x and y 4 7. Following are age and price data for 6 randomly selected Civics between 1 and 6 years old. Here, denones age in years, and y denotes price in thousands of dollars. 15 x = Age y=Price x2 gy 1 20 20 2 1 19 2 0 16 ll. 4 5 16 12 Eu711 46 1202
Find the value of the linear correlation coefficient r.x: 57 53 59 61 53 56 60____________________________________y: 156 164 163 177 159 175 151-0.0540.2140.109-0.078
17. Explain how you found the linear correlation coefficient. Find the value of the linear correlation coefficient r. Points: 5 17) The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. Hours 5 10 4 6 10 9 Score 64 86 69 86 59 87 D) 0.224 C) 0.678 B) -0.678 A) -0.224 Explain how you found the linear correlation coefficient.
Determine the value of the coefficient of correlation, r, for the following data. X 4 6 7 11 16 17 21 Y 18 13 13 8 7 7 5 (Round the intermediate values to 3 decimal places. Round your answer to 3 decimal places.) r= ?
What is the critical value for the linear correlation coefficient, r, for a sample of size n = 15 with α = .01 ? (Round to the nearest thousandth. The linear correlation coefficient for a set of paired variables is r = .897. What proportion of the variation in y can be explained by the linear relationship between x and y? (Type the percentage rounded to the nearest hundredth without the % sign. The linear regression equation for a set...