Reject the alternative hypothesis. We conclude that the slope is equal to zero. Fail to reject the alternative hypothesis. We conclude the slope is not equal to zero. Reject the null hypothesis. We conclude that the slope is not equal to zero. Fail to reject the null hypothesis. We conclude the slope is equal to zero.
Reject the alternative hypothesis. We conclude that the slope is equal to zero. Fail to reject the alternative hypothesis. We conclude the slope is not equal to zero. Reject the null hypothesis. We conclude that the slope is not equal to zero. Fail to reject the null hypothesis. We conclude the slope is equal to zero.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question

Transcribed Image Text:A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression analysis shows the following results.
| | Coefficients | Standard Error | t-Stat | p-value |
|------------------------------|--------------|----------------|---------|---------|
| Intercept | -12.201 | 6.560 | -1.860 | 0.100 |
| Number of contacts | 2.195 | 0.176 | 12.505 | 0.000 |
What is the decision regarding the hypothesis that the slope is different from zero? Assume the level of significance is 0.05.

Transcribed Image Text:**Multiple Choice**
- Reject the alternative hypothesis. We conclude that the slope is equal to zero.
- Fail to reject the alternative hypothesis. We conclude the slope is not equal to zero.
- Reject the null hypothesis. We conclude that the slope is not equal to zero.
- Fail to reject the null hypothesis. We conclude the slope is equal to zero.
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