Introductory Statistics
1st Edition
ISBN: 9781938168208
Author: Barbara Illowsky, Susan Dean
Publisher: OpenStax College
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Textbook Question
Chapter 5, Problem 21P
Use the following information to answer the next ten questions. The data that follow are the square footage (In 1,000 feet squared) of 28 homes.
1.5 | 2.4 | 3.6 | 2.6 | 1.6 | 2.4 | 2.0 |
3.5 | 2.5 | 1.8 | 2.4 | 2.5 | 3.5 | 4.0 |
2.6 | 1.6 | 2.2 | 1.8 | 3.8 | 2.5 | 1.5 |
2.8 | 1.8 | 4.5 | 1.9 | 1.9 | 3.1 | 1.6 |
Table 5.4
The sample mean 2.50 and the sample standard deviation 0.8302.
The distribution can be written as X — U( 1.5, 3.5).
What is P(2
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The data that follow are the square footage (in 1000 feet squared) of 28 homes.
1.5 | 2.4 | 3.6 | 2.6 | 1.6 | 2.4
2.0
3.5 2.5 1.8 2.4 2.5
3.5 | 4.0
2.6
1.6 2.2 1.8
3.8
2.5
1.5
2.8
1.8 4.5 1.9
1.9
3.1
1.6
The sample mean = 2.50 and the sample standard deviation = 0.8302.
The distribution can be written as X ~ U(1.5, 4.5).
What is the height of f(x) for the continuous probability distribution?
Describe the two shapes of the two data sets from histograms.
Given the data set 2,8,10,85,12,7,5,3,10,3,9,4,9, find the 3rd decile.
Chapter 5 Solutions
Introductory Statistics
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