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 positive linear correlation between advertising cost and profit . Use a significance level of 0.05 and round all values to 4 decimal places.
Advertising Cost | Profit |
---|---|
3 | 19 |
4 | 27 |
5 | 23 |
6 | 30 |
7 | 17 |
8 | 24 |
9 | 20 |
Ho: ρ = 0
Ha: ρ > 0
a. Find the Linear Correlation Coefficient
r = ____
b. Find the p-value
p-value = _____
c. The p-value is
d. The p-value leads to a decision to
e. The conclusion is
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Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and...
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 positive linear correlation between advertising cost and profit . Use a significance level of 0.05 and round all values to 4 decimal places. Advertising Cost Profit 3 14 4 17 5 20 6 27 7 17 8 31 9 27 Ho: ρ = 0 Ha: ρ > 0 Find the Linear Correlation...
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 positive linear 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 23 4 18 5 18 6 28 7 28 8 23 Ho: p=0 Ha: p > 0 Find the Linear Correlation Coefficient Find the p-value p-value-...
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