In a certain investigation, 460 persons were involved in the study, and based on an enquiry on their age, it was known that 75% of them were 22 or more years. The following frequency distribution shows the age composition of the persons under study. Find the mean and modal life of condensers. Mid age in years 13 18 23 28 33 38 43 48 No. of persons 24 90 122 56 20 33

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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In a certain investigation, 460 persons were involved in the study, and based on an enquiry on their age,
it was known that 75% of them were 22 or more years. The following frequency distribution shows the
age composition of the persons under study. Find the mean and modal life of condensers.
Mid age in years
No. of persons
13
18
23
28
33
38
43
48
24
90
122
56
20
33
Transcribed Image Text:In a certain investigation, 460 persons were involved in the study, and based on an enquiry on their age, it was known that 75% of them were 22 or more years. The following frequency distribution shows the age composition of the persons under study. Find the mean and modal life of condensers. Mid age in years No. of persons 13 18 23 28 33 38 43 48 24 90 122 56 20 33
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