1.

For a certain frequencytable which has been partly reproduced here , the arithmetic mean was found to be Rs. 28.07 Income (in Rs)""15 "" 20 "" 25"" 30 "" 35"" 40 No. of workers:"" 8"" 12 "" ? "" 16 ""? "" 10 If the total number of workers is 75, then the missing frequencies are

Answer»

` 14, 15`
` 15, 14`
` 13, 16`
` 12, 17`

ANSWER :B


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