*The mean of 10 observations is 16. On investigation it was found that 4 and 6 have been wrongly written in place of two observations 8 and 7. The correct mean is-* 1️⃣ 15.5 2️⃣ 16 3️⃣ 16.5 4️⃣ 17
Answers
Answered by
0
Answer:
16.5
Step-by-step explanation:
X1+X2+x3+x4+x5+x6+x7+x8+4+6/10=16
(X1+X2+x3+x4+x5+x6+x7+x8=x)
then x+10=160
x=150
according to second
x+8+7/10=150+15/10=165/10=16.5
Answered by
1
Answer:
The , required mean is
154
10
=15.4
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