Question
Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and the profits (in millions of dollars). Determine if there
Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and the profits (in millions of dollars). Determine if there is a significant positivelinear correlation between advertising cost and profit . Use a significance level of 0.01 and round all values to 4 decimal places.
Advertising Cost | Profit |
---|---|
3 | 14 |
4 | 22 |
5 | 16 |
6 | 30 |
7 | 22 |
8 | 27 |
Ho: = 0 Ha: > 0
1. Find the Linear Correlation Coefficient r = 0.6871 Correct
2.Find the p-value p-value = ...........
3. The p-value is a. Less than (or equal to)
b. Greater than
4. The p-value leads to a decision to
- Do Not Reject Ho
- Reject Ho
- Accept Ho
5. The conclusion is
- a. There is a significant linear correlation between advertising expense and profit.
- b. There is insufficient evidence to make a conclusion about the linear correlation between advertising expense and profit.
- c. There is a significant negative linear correlation between advertising expense and profit.
- d. There is a significant positive linear correlation between advertising expense and profit
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