HW 6 1. Let the quantity of the production of a new machine and of the old machine are two population and normally distributed. Find the confidence interval estimation of the differences petween the means of the two populations. X2
HW 6 1. Let the quantity of the production of a new machine and of the old machine are two population and normally distributed. Find the confidence interval estimation of the differences petween the means of the two populations. X2
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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Transcribed Image Text:STAT421
HW 6
1.
Let the quantity of the production of a new machine and of the old machine are two
population and normally distributed. Find the confidence interval estimation of the differences
between the means of the two populations.
X1
X2
42.1
42.7
41
43.6
41.3
43.8
41.8
43.3
42.4
42.5
42.8
43.5
43.2
43.1
42.3
41.7
41.8
44
42.7
44.1
Where X1: New machine and X2: Old machine.
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