df= (Type a whole number.) χ2L= (Round to three decimal places as needed.) χ2R= (Round to three decimal places as needed.) The confidence interval estimate of σ is __<σ<__. (Round to one decimal place as needed.)
df= (Type a whole number.) χ2L= (Round to three decimal places as needed.) χ2R= (Round to three decimal places as needed.) The confidence interval estimate of σ is __<σ<__. (Round to one decimal place as needed.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Question
Use the given information to find the number of degrees of freedom, the critical values χ2Land χ2R,and the confidence interval estimate of σ.
It is reasonable to assume that a simple random sample has been selected from a population with anormal distribution .
It is reasonable to assume that a simple random sample has been selected from a population with a
Platelet Counts of Women
99%
confidence;
n=29,
s=65.7.
df=
(Type a whole number.)χ2L=
(Round to three decimal places as needed.)
χ2R=
(Round to three decimal places as needed.)
The confidence interval estimate of σ is
__<σ<__.
(Round to one decimal place as needed.)
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