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find the mean of the following data (salary- 5000, 6000, 7500, 9000) no. of person 4,5,4,2 answer this question |
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Answer» Hey MATE Step-by-step explanation: xi = 5000 , 6000 , 7500 , 9000 fi = 4 , 5 ,. 4 ,. 2 xifi = 20000 , 30000 , 30000 , 18000 Mean = Σxifi / Σfi {Σfixi = 98000 , Σfi = 15 } = 98000 / 15 = 6533.34 Σ = sigma which MEANS summation.. PLEASE mark as BRAINLIEST !!!!! thank u . ...
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