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 negative linear correlation between advertising cost and profit. Use a significance level of 0.01 and round all values to 4 decimal places. Advertising Cost 3 4 5 6 7 8 9 10 11 12 Find the p-value p-value Profit 24 17 18 23 28 32 31 29 Ho: p = 0 Ha: p < 0 Find the Linear Correlation Coefficient The p-value is 23 26 O Less than (or equal to) a O Greater than a The p-value leads to a decision to O Do Not Reject Ho O Accept Ho O Reject Ho
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 negative linear correlation between advertising cost and profit. Use a significance level of 0.01 and round all values to 4 decimal places. Advertising Cost 3 4 5 6 7 8 9 10 11 12 Find the p-value p-value Profit 24 17 18 23 28 32 31 29 Ho: p = 0 Ha: p < 0 Find the Linear Correlation Coefficient The p-value is 23 26 O Less than (or equal to) a O Greater than a The p-value leads to a decision to O Do Not Reject Ho O Accept Ho O Reject Ho
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Question 30
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Question 30
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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 negative linear correlation between
advertising cost and profit. Use a significance level of 0.01 and round all values to 4 decimal places.
Advertising Cost
Find the p-value
p-value =
▼
The p-value is
Profit
24
17
18
23
28
Ho: p = 0
Ha: p < 0
Find the Linear Correlation Coefficient
<
32
31
29
23
26
(
O Less than (or equal to) a
O Greater than a
>
The p-value leads to a decision to
O Do Not Reject Ho
O Accept Ho
O Reject Ho
The conclusion is
O There is a significant linear correlation between advertising expense and profit.
O There is a significant negative linear correlation between advertising expense and profit.
O There is a significant positive linear correlation between advertising expense and profit.
O There is insufficient evidence to make a conclusion about the linear correlation between advertising
expense and profit.
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