The statistics of n=22 and s=14.3 result in this 95% confidence interval estimate of σ: 11.0<σ<20.4. That confidence interval can also be expressed as (11.0, 20.4). Given that 15.7±4.7 results in values of 11.0 and 20.4, can the confidence interval be expressed as 15.7±4.7 as well? Choose the correct answer below. A. Yes. In general, a confidence interval for σ has s at the center. B. No. The format implies that s=15.7, but s is given as 14.3. In general, a confidence interval for σ does not have s at the center. C. Yes. Since the chi-square distribution is symmetric, a confidence interval for σ can be expressed as 15.7±4.7. D. Not enough information
The statistics of n=22 and s=14.3 result in this 95% confidence interval estimate of σ: 11.0<σ<20.4. That confidence interval can also be expressed as (11.0, 20.4). Given that 15.7±4.7 results in values of 11.0 and 20.4, can the confidence interval be expressed as 15.7±4.7 as well? Choose the correct answer below. A. Yes. In general, a confidence interval for σ has s at the center. B. No. The format implies that s=15.7, but s is given as 14.3. In general, a confidence interval for σ does not have s at the center. C. Yes. Since the chi-square distribution is symmetric, a confidence interval for σ can be expressed as 15.7±4.7. D. Not enough information
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
The statistics of
interval estimate of
n=22
and
s=14.3
result in this 95% confidence σ:
11.0<σ<20.4.
That confidence interval can also be expressed as (11.0, 20.4). Given that
15.7±4.7
results in values of 11.0 and 20.4, can the confidence interval be expressed as
15.7±4.7
as well?Choose the correct answer below.
Yes. In general, a confidence interval for
σ
has s at the center.No. The format implies that
s=15.7,
but s is given as 14.3. In general, a confidence interval for
σ
does not have s at the center.Yes. Since the chi-square distribution is symmetric, a confidence interval for
σ
can be expressed as
15.7±4.7.
Not enough information
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