Find IQR

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Find IQR
The cholesterol levels of an adult can be described by a normal model with a mean of 185 mg/dL and a standard deviation of 24.
68%
B8%
95%
95%
98 7%
113 137 161 186 209 233 257
89.7%
41 89 137 185 233 281 329
149 161 173 185 197 2ns 221
b) What percent of adults do you expect to have cholesterol levels over 190 mg/dL?
41.75 %
(Round to two decimal places as needed.)
c) What percent of adults do you expect to have cholesterol levels between 150 and 170 mg/dL?
19.36 %
(Round to two decimal places as needed.)
d) Estimate the interquartile range of cholesterol levels.
IQR =mg/dL
(Round to the nearest integer as needed.)
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Transcribed Image Text:The cholesterol levels of an adult can be described by a normal model with a mean of 185 mg/dL and a standard deviation of 24. 68% B8% 95% 95% 98 7% 113 137 161 186 209 233 257 89.7% 41 89 137 185 233 281 329 149 161 173 185 197 2ns 221 b) What percent of adults do you expect to have cholesterol levels over 190 mg/dL? 41.75 % (Round to two decimal places as needed.) c) What percent of adults do you expect to have cholesterol levels between 150 and 170 mg/dL? 19.36 % (Round to two decimal places as needed.) d) Estimate the interquartile range of cholesterol levels. IQR =mg/dL (Round to the nearest integer as needed.) Enter your answer in the answer box and then click Check Answer. 1 part remaining Clear All Check Ans MAY 23 MacBook Air
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