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Teacher Salaries A researcher claims that the mean of the

Elementary Statistics: A Step by Step Approach 8th ed. | 8th Edition | ISBN: 9780073386102 | Authors: Allan G Bluman Professor Emeritus ISBN: 9780073386102 241

Solution for problem 6 Chapter 9-2

Elementary Statistics: A Step by Step Approach 8th ed. | 8th Edition

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Elementary Statistics: A Step by Step Approach 8th ed. | 8th Edition | ISBN: 9780073386102 | Authors: Allan G Bluman Professor Emeritus

Elementary Statistics: A Step by Step Approach 8th ed. | 8th Edition

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Problem 6

Teacher Salaries A researcher claims that the mean of the salaries of elementary school teachers is greater than the mean of the salaries of secondary school teachers in a large school district. The mean of the salaries of a sample of 26 elementary school teachers is $48,256, and the sample standard deviation is $3,912.40. The mean of the salaries of a sample of 24 secondary school teachers is $45,633. The standard deviation is $5,533. At a _ 0.05, can it be concluded that the mean of the salaries of the elementary school teachers is greater than the mean of the salaries of the secondary school teachers? Use the P-value method.

Step-by-Step Solution:
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STATS 10 Week 3 Notes: Chapter 4 Lecture 6 Chapter 2: graphically summarize numerical/categorical data Chapter 3: describe a numerical variable's center and spread when its distribution is symmetric/skewed Chapter 4: linear relationship between two numerical variables using statistics and a linear equation We always begin with a graph. Scatterplot Dot plot for 2 numerical variables....

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Chapter 9-2, Problem 6 is Solved
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Textbook: Elementary Statistics: A Step by Step Approach 8th ed.
Edition: 8
Author: Allan G Bluman Professor Emeritus
ISBN: 9780073386102

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