Determine the critical​ value(s). Select the correct choice below and fill in the answer​ box(es) within your choice. ​(Round to three decimal places as​ needed.)   A. The critical value is ____.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Determine the critical​ value(s). Select the correct choice below and fill in the answer​ box(es) within your choice.
​(Round to three decimal places as​ needed.)
 
A.
The critical value is ____.
 
B.
The lower critical value is____. The upper critical value is____.
Assume that both populations are normally distributed.
a) Test whether u, > H2 at the a = 0.01 level of significance for the given sample data.
b) Construct a 99% confidence interval about u, - 42.
Sample 1
Sample 2
19
11
45.6
38.3
6.4
11.3
24
Transcribed Image Text:Assume that both populations are normally distributed. a) Test whether u, > H2 at the a = 0.01 level of significance for the given sample data. b) Construct a 99% confidence interval about u, - 42. Sample 1 Sample 2 19 11 45.6 38.3 6.4 11.3 24
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