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5) A random variable Y is distributed Y~N(10,25). Find the upper quartile (third quartile). Solution? The upper quartile is a value which has 75% of the data below it. We use the inverse normal function with an area of 0.75, a mean of 10, and a standard deviation of 25, to get a value of approximately 28.9.

5) A random variable Y is distributed Y~N(10,25). Find the upper quartile (third quartile). Solution? The upper quartile is a value which has 75% of the data below it. We use the inverse normal function with an area of 0.75, a mean of 10, and a standard deviation of 25, to get a value of approximately 28.9.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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5) A random variable Y is distributed Y~N(10,25). Find the upper quartile (third quartile). Solution? The upper quartile is a value which has 75% of the data below it. We use the inverse normal function with an area of 0.75, a mean of 10, and a standard deviation of 25, to get a value of approximately 28.9.
Transcribed Image Text:5) A random variable Y is distributed Y~N(10,25). Find the upper quartile (third quartile). Solution? The upper quartile is a value which has 75% of the data below it. We use the inverse normal function with an area of 0.75, a mean of 10, and a standard deviation of 25, to get a value of approximately 28.9.
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