Apply Chebyshev’s rule to solve Exercises. A quantitative data set of size 150 has mean 35 and standard deviation 4. At least how many observations lie between 23 and 47?
Apply Chebyshev’s rule to solve Exercises. A quantitative data set of size 150 has mean 35 and standard deviation 4. At least how many observations lie between 23 and 47?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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Question
Apply Chebyshev’s rule to solve Exercises.
A quantitative data set of size 150 has
Expert Solution
Step 1
Solution: We are given that the mean and standard deviation is:
Step 2
We have to find how many observations lie between 23 and 47.
We have to first find the z-score for 23 and 47.
Step 3
The z-score for 23 and 47 are:
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