In the United States the ages 13 to 55+ of smartphone users approximately follow a normal distributionwith approximate mean and standard deviation of 37.5 ears and 13.9 years respectively. Using thisinformation, answer the following questions (round answers to one decimal place).a. Calculate the interquartile range (IQR).

GivenMean(μ)=37.5standard deviation(σ)=13.9

Answered: In the United States the ages 13 to 55+…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In the United States the ages 13 to 55+ of smartphone users approximately follow a normal distribution with approximate mean and standard deviation of 36.9 years and 13.9 years respectively. Using this information, answer the following questions (round answers to one decimal place). a. Calculate the interquartile range (IQR).
A successful basketball player has a height of 6 feet 11 inches, or 211 cm. Based on statistics from a data set, his height converts to the z score of 5.17. How many standard deviations is his height above the mean?
Please answer
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