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Question
Shown below is a portion of a computer output for regression analysis relating y (dependent variable) and x (independent variable).| ANOVA | |||
| df | SS | ||
| Regression | 1 | 882 | |
| Residual | 20 | 4000 | |
| Total | 21 | 4882 | |
| Coefficients | Standard Error | t Stat | |
| Intercept | 5.00 | 3.56 | |
| Variable x | 6.30 | 3.00 |
a. What has been the sample size for the above?
b. Perform a t-test and determine whether or not xand yare related. Use
= 0.05.c. Perform an F-test and determine whether or not xand yare related. Use
= 0.05.d. Compute the coefficient of determination.
e. Interpret the meaning of the value of the coefficient of determination that you found in d. Be very specific.
Answer
This answer is hidden. It contains 180 characters.
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