Math, asked by Nisha7722, 1 year ago

The mean distribution is 8.1,if sigma fixi=132+5k and sigma fi =20,find the value of k

Answers

Answered by yash7299
22
YOUR ANSWER IS........

Mean=. £fixi/£fi
8.1 = 132+5k/20
132+5k=162
5k=162 - 132
k= 30/5
k= 6

karan5116: thanks chhore
Answered by 12312315
3

Answer:

6

Step-by-step explanation:

132+5k/20 =8.1

132+5k=162

5k=30

k=30/5

k=6

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