Math, asked by alib1740, 1 year ago

If the mean of
for following data is 21 find the value of p x is 10, 15, 25, 30 f 3, 5,2,5,5

Answers

Answered by khushithakur98930021
0

Answer:


Step-by-step explanation:xf = 30, 75, 50, 150, 5p

Mean = summition xf ÷ summition f

21 = 300 + 5p ÷ 20

420 = 305 + 5p

115 = 5p

115 ÷ 5 = p

23 = p

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