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Question: (Marks:25) a- From the following the data is about the income per week and the...
Question: (Marks:25) a- From the following the data is about the income per week and the number of earners calculate the Range, Mean deviation, interquartile range and variance. Classes 41-50 51-60 61-70 71-80 81-90 91-100 101-110 111-120 Frequency 30 34 40 68 25 29 27 12 b- Also verify the properties of S.D by using the above data. -
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