Class 1 Final Sample Size: 30 Sample Variance: 80.55 Sample Mean: 44.2917 Class 2 Final Sample Size:30 Sample Variance: 55.29 Sample Mean: 36.4833 The assignment says to use the Z test for means and assume the hypothesized difference is 0. 1. Is there a significant difference in the means of the two finals at the .01 level of significance? 2. Why or why not?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section: Chapter Questions
Problem 25SGR
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Class 1 Final

Sample Size: 30

Sample Variance: 80.55

Sample Mean: 44.2917

Class 2 Final

Sample Size:30

Sample Variance: 55.29

Sample Mean: 36.4833

The assignment says to use the Z test for means and assume the hypothesized difference is 0.

1. Is there a significant difference in the means of the two finals at the .01 level of significance?

2. Why or why not?

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