Find the sample variance and the sample standard deviation for the frequency distribution of the data shown.

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Find the sample variance and the sample standard deviation for the frequency distribution of the data shown. The data represent the number of miles that 20 runners ran during one week.

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Elementary Statistics A Step By Step Approach

ISBN: 9781260360653

11th Edition

Authors: Allan Bluman

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Question Posted: May 08, 2024 10:00 AM

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Find the sample variance and the sample standard deviation for the frequency distribution of the data shown.

Question:

Class Frequency Midpoint 5.5-10.5 10.5-15.5 15.5-20.5 20.5-25.5 25.5-30.5 30.5-35.5 35.5-40.5 1235 +32 8 13 18 23 4 28 33 38

Step by Step Answer:

Step 1 Make a table as shown and find the midpoint of each class Step 2 Multiply the fre...View the full answer

Elementary Statistics A Step By Step Approach

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