CASE STUDY: Chest Sizes of Scottish
Militiamen (p. 306):
Chest Size
Frequency
33
3
34
19
35
81
36
189
37
409
38
753
39
1062
40
1082
41
935
42
646
43
313
44
168
45
50
46
18
47
3
48
1
The population mean and population standard deviation
of...
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Statistics
CASE STUDY: Chest Sizes of ScottishMilitiamen (p. 306):
Chest Size
Frequency
33
3
34
19
35
81
36
189
37
409
38
753
39
1062
40
1082
41
935
42
646
43
313
44
168
45
50
46
18
47
3
48
1
The population mean and population standard deviationof the chest circumferences are 39.85 and 2.07, respectively,identify the normal curve that should be used for the chestcircumferences
Use the table above to find the percentage ofmilitiamen in the survey with chest circumference between 36 and 41inches, inclusive. Note: as the circumferences were rounded to thenearest inch, you are actually finding the percentage of militiamenin the survey with chest circumference between 35.5 and 41.5inches
Use the normal curve you identified in part (a) toobtain an approximation to the percentage of militiamen in thesurvey with chest circumference between 35.5 and 41.5 inches.Compare your answer to the exact percentage found in part(b).
Answer & Explanation
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3.8 Ratings (568 Votes)
SolutionaSo the normal curve we can use is Normal 3985207bNumber of militiamen with chest circumference between 36 and 41inches is NN 189 409 753 1062 1082 935 4430Total
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