COVxy = 0.14   Sx * Sy = 0.22     Please calculate the correlation coefficient

A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of situps a person can do (y). The results of the regression were: y=ax+b a=-0.759 b=37.685 r2=0.674041 r=-0.821 Assume the correlation is significant, and use this to predict the number of situps a person who watches 11 hours of TV can do (to one decimal place)

Describe about t RATIO FOR A SINGLE POPULATION CORRELATION COEFFICIENT.

For a data set of chest sizes (distance around chest in inches) and weights (pounds) of seven anesthetized bears that were measured, the linear correlation coefficient is r = 0.715. Use the table available below to find the critical values of r. Based on a comparison of the linear correlation coefficient r and the critical values, what do you conclude about a linear correlation? Click the icon to view the table of critical values of r. The critical values are (Type integers or decimals. Do not round. Use a comma to separate answers as needed.) Since the correlation coefficient r is in the right tail above the positive critical value, there is sufficient evidence to support the claim of a linear correlation. Table of Critical Values of r - X Number of Pairs of Data n Critical Value of r 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 Print Done ×

Identify the linear correlation coefficient r , test statistics and pvalue. thank you

A correlation of r = – 0.95 is stronger than r = + 0.70. true or false?

Please give an example of an IMPOSSIBLE correlation coefficient.

What is your best estimate of the correlation coefficient shown here? VARIASLE X +1.0 +0.8 0.0 -0.8 -1.0

Explain how to interpret the absolute value of a correlation coefficient.

If the correlation coefficient r is equal to 0.585, find the coefficient if determination and the coefficient of no determination