Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. (a) Test whether μ1>μ2 at the α=0.01 level of significance for the given sample data. (b) Construct a 99% confidence interval about μ1−μ2.
Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. (a) Test whether μ1>μ2 at the α=0.01 level of significance for the given sample data. (b) Construct a 99% confidence interval about μ1−μ2.
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 11PPS
Related questions
Question
Use the given statistics to complete parts (a) and (b). Assume that the populations are
(a) Test whether
μ1>μ2
at the
α=0.01
level of significance for the given sample data.(b) Construct a
99%
confidence interval about
μ1−μ2.
|
|
|
Population 1
|
Population 2
|
|
---|---|---|---|---|---|
n
|
21
|
18
|
|||
x
|
45.8
|
43.5
|
|||
s
|
5.7
|
11.8
|
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