Question

for the given frequency distribution, Z=20 & M=18, then mean=​

Answer 1

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Answer 2

Answer:

Here's the answer!

Step-by-step explanation:

Z=3M-2 (mean)

Z=3M-2 (mean)

20=3(18)-2(mean)

Z=3M-2(mean)

20=3(18)-2(mean)

20=54-2 mean

Z=3M-2(mean)

20=3(18)-2(mean)

20=54-2 mean

2(mean)= 54-20

2(mean)=34Mean

Mean= 34/2

Mean = 17

Thus, Mean is 17!!

Hope it helps u!!