MATLAB: An Introduction with Applications
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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
Transcribed Image Text:Listed belonw are paired data consisting of amounts spent on advertising (in millions of dollars) and the profits
(in millions of dollars). Determine if there isa sigificat inear correlation benwoen advertising cost and
profit. Use a significance level of 0.01 and round all vales to 4 decimal places.
Advertising Cost Profit
16
4
14
28
29
7
32
25
23
10
28
11
21
12
23
Ho: p = 0
Ha: p=0
Find the Linear Correlation Coefficiont
Find the p-value
P-valae =
The p-valae is
O Greater than a
O Less than (or oqual o) a
The p-valae lkads to a decision to
O Do Not Reject Ho
O Reject Ho
O Accept Ho
The conclusion is
O There is a significant positive linsar corelation between advertising expense and profit.
O There is a significant linear correlation between advertising expense and profit
OThere is a significant negative linear carrelation between advertising expense and profit.
O There is insufficient evidence tomake a conchsion about the linear correlation betreen advertising
zyoad pur ouedvo
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