Math, asked by telunaga, 1 month ago

5 x 4m = 20, 6. Find the mean by step-deviation method: СІ. 65-85 85-105 105-125 125-145 145-165 165-185 4 5 13 20 14 8 7. If the median of 60 observations is 28.5. Find the values of x and y. 185-205 4​

Answers

Answered by crankybirds30
1

Step-by-step explanation:

5 x 4m = 20, 6. Find the mean by step-deviation method: СІ. 65-85 85-105 105-125 125-145 145-165 165-185 4 5 13 20 14 8 7. If the median of 60 observations is 28.5. Find the values of x and y. 185-205 4

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Answered by stbranham2007
3

(｡◕‿◕｡)

Answer

Mean ( x ) = a + ( €fiUi / €fi) h

➜ 135 + ( 7 / 68 ) × 20

➜ x = 137.05

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