Answer the question in the picture.  The following data represent the age​ (in weeks) at which babies first crawl based on a survey of 12 mothers. The data are normally distributed and s=10.128 weeks. Construct and interpret a 95​% confidence interval for the population standard deviation of the age​ (in weeks) at which babies first crawl.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Answer the question in the picture. 

The following data represent the age​ (in weeks) at which babies first crawl based on a survey of 12 mothers. The data are normally distributed and s=10.128 weeks. Construct and interpret a 95​% confidence interval for the population standard deviation of the age​ (in weeks) at which babies first crawl.

9.3.14
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The following data represent the age (in weeks) at which babies first crawl based on a survey of 12 mothers. The data are normally distributed and s = 10.128 weeks. Construct
and interpret a 95% confidence interval for the population standard deviation of the age (in weeks) at which babies first crawl.
53
31
46
34
41
26
48
35
55
27
41
28
Click the icon to view the table of critical values of the chi-square distribution.
Select the correct choice below and fill in the answer boxes to complete your choice.
(Use ascending order. Round to three decimal places as needed.)
O A. There is a 95% probability that the true population standard deviation is between
and
O B. If repeated samples are taken, 95% of them will have the sample standard deviation between
and
C. There is 95% confidence that the population standard deviation is between
and
Transcribed Image Text:9.3.14 Question Help The following data represent the age (in weeks) at which babies first crawl based on a survey of 12 mothers. The data are normally distributed and s = 10.128 weeks. Construct and interpret a 95% confidence interval for the population standard deviation of the age (in weeks) at which babies first crawl. 53 31 46 34 41 26 48 35 55 27 41 28 Click the icon to view the table of critical values of the chi-square distribution. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to three decimal places as needed.) O A. There is a 95% probability that the true population standard deviation is between and O B. If repeated samples are taken, 95% of them will have the sample standard deviation between and C. There is 95% confidence that the population standard deviation is between and
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