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Find the mean of the following frequency distribution0-50 50-100 100-150150-200 200-250 250-300 3003s0ClassFrequency1015302015 |
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Answer» CI. f. x. xf0-50. 10. 25. 25050-100. 15. 75. 1125100-150. 30. 125. 3750150-200. 20. 175. 3500200-250. 15. 225. 3375250-300. 8. 275. 2280300-350. 2. 325. 650 summation of xf= 14930summation of f =100mean= 14930/100=149.3 |
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