Below are the ages of 50 members of a social service program:  65 87 68 64 51 70 75 66 74 68 44 55 78 69 98 67 82 77 79 62 38 88 76 99 84 47 60 42 66 74 91 71 83 80 68 65 51 56 73 55 Use above data to construct frequency distributions (class limits, class boundaries, class marks,  frequency, relative frequency and cummulative frequency) using 7 equal intervals. Start the lowest  class limit from 30.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Below are the ages of 50 members of a social service program: 
65 87 68 64 51 70 75 66 74 68
44 55 78 69 98 67 82 77 79 62
38 88 76 99 84 47 60 42 66 74
91 71 83 80 68 65 51 56 73 55
Use above data to construct frequency distributions (class limits, class boundaries, class marks, 
frequency, relative frequency and cummulative frequency) using 7 equal intervals. Start the lowest 
class limit from 30.

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