. A consumer organization is producing an article on refrigerators. The organization tests 20 m of refrigerator (under rigorous conditions), and determines how long each refrigerator ope properly before needing to be serviced. The histogram below shows the operation times (in mo until service is required. You may assume that in this data set there were no observations a class boundaries. Histogram of operation 2- 120 operation (a) What percentage of the refrigerators operate properly for more than 80 months? (b) Briefly describe the shape of this distribution. (c) Would a pie chart also be appropriate for describing these data? Explain briefly. Asuarbo
. A consumer organization is producing an article on refrigerators. The organization tests 20 m of refrigerator (under rigorous conditions), and determines how long each refrigerator ope properly before needing to be serviced. The histogram below shows the operation times (in mo until service is required. You may assume that in this data set there were no observations a class boundaries. Histogram of operation 2- 120 operation (a) What percentage of the refrigerators operate properly for more than 80 months? (b) Briefly describe the shape of this distribution. (c) Would a pie chart also be appropriate for describing these data? Explain briefly. Asuarbo
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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Transcribed Image Text:2. A consumer organization is producing an article on refrigerators. The organization tests 20 models
of refrigerator (under rigorous conditions), and determines how long each refrigerator operates
properly before needing to be serviced. The histogram below shows the operation times (in months)
until service is required. You may assume that in this data set there were no observations at the
class boundaries.
Histogram of operation
160
120
operation
80
200
(a) What percentage of the refrigerators operate properly for more than 80 months?
(b) Briefly describe the shape of this distribution.
(c) Would a pie chart also be appropriate for describing these data? Explain briefly.
on4 m
Asuorbo
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