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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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).

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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 See Answer

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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