13 Homework Question 10, 13.1.27-T Part 1 of 13 HW Score: 62.53%, 6.88 of 11 points O Points: 0 of 1 Save Researchers wanted to determine if the psychological profile of healthy children was different than for children suffering from recurrent abdominal pain (RAP) or recurring headaches. A total of 210 children and adolescents were studied and their psychological profiles were graded according to a child behavior checklist. Children were stratified in two age groups: 4 to 11 years and 12 to 18 years. The results of the study are summarized in the accompanying table. Complete parts (a) through (f) below. Click the icon to view the summary of the results. (a) Compute the sample standard deviations for each group. The sample standard deviation for the control group is sc (Round to one decimal place as needed.) Get more help Summary of the results n Sample mean Sample variance Control group 70 11.7 21.5 RAP 70 9.0 13.0 Headache 70 12.4 8.5 Print Done - Clear all Check answer

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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13 Homework
Question 10, 13.1.27-T
Part 1 of 13
HW Score: 62.53%, 6.88 of 11 points
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Researchers wanted to determine if the psychological profile of healthy children was different than for children suffering from recurrent abdominal pain (RAP) or recurring headaches. A total of 210
children and adolescents were studied and their psychological profiles were graded according to a child behavior checklist. Children were stratified in two age groups: 4 to 11 years and 12 to 18
years. The results of the study are summarized in the accompanying table. Complete parts (a) through (f) below.
Click the icon to view the summary of the results.
(a) Compute the sample standard deviations for each group.
The sample standard deviation for the control group is sc
(Round to one decimal place as needed.)
Get more help
Summary of the results
n
Sample mean Sample variance
Control group
70
11.7
21.5
RAP
70
9.0
13.0
Headache
70
12.4
8.5
Print
Done
-
Clear all
Check answer
Transcribed Image Text:13 Homework Question 10, 13.1.27-T Part 1 of 13 HW Score: 62.53%, 6.88 of 11 points O Points: 0 of 1 Save Researchers wanted to determine if the psychological profile of healthy children was different than for children suffering from recurrent abdominal pain (RAP) or recurring headaches. A total of 210 children and adolescents were studied and their psychological profiles were graded according to a child behavior checklist. Children were stratified in two age groups: 4 to 11 years and 12 to 18 years. The results of the study are summarized in the accompanying table. Complete parts (a) through (f) below. Click the icon to view the summary of the results. (a) Compute the sample standard deviations for each group. The sample standard deviation for the control group is sc (Round to one decimal place as needed.) Get more help Summary of the results n Sample mean Sample variance Control group 70 11.7 21.5 RAP 70 9.0 13.0 Headache 70 12.4 8.5 Print Done - Clear all Check answer
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