3 e) Of course the number of years smoked and longevity do not
follow a normal...
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3 e) Of course the number of years smoked and longevity do notfollow a normal distribution. That being the case, we have to use anonparametric test to test if there is a correlation between thesetwo variables. So using the Spearman correlation approach, test theclaim at 95% confidence that there is a negative correlationbetween these two variables.
State the Null and Alternative Hypothesis (1)
Draw the appropriate probability density curve setting up theproblem and state the Decision Rule. (1)
Determine the Spearman Correlation Coefficient (2)
Perform the test (2)
State your decision (1)
(Note, to help you out, I have started your Spearmancalculation)
Years Smoked
Rank Value
Age at Death of Participant
Rank Value
d
d2
5
81
23
76
48
53
8
84
4
79
26
74
11
83
19
75
14
72
35
71
4
92
23
65
Totals
78
78
0
Answer & Explanation
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3.6 Ratings (295 Votes)
State the Null and Alternative Hypothesis 1Ans The NullHypothesis H0 r0Vs H1 r 0Draw the appropriate probability density curve
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