Question

solve 4th problem.....

Answer 1

HEYA!!!!!

Given,

Mean of 10 observations = 16.3

Mean = sum of obs/number of observations

16.3 = x + 32-23 / 10

163 = x + 9

163 - 9 = x

154 = x

Therefore , Sum of 10 obs = 154

Then ,new mean = 154/10

= 15.4...




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Answer 2

ANSWER
............

10 OBSERVATION = 16.3

MEAN = SUM OF THE OBS
_______________
no .of observation

_______________________________

let the number be p

16.3 = P + 32 - 33
_________
10

163 = P + 9

➡️ 163 - 9
➡️ 154
➡️ p = 154

➡️ ➡️ ➡️ ➡️ ➡️ ➡️ ➡️ ➡️ ➡️ ➡️ ➡️ ➡️ ➡️ ➡️ ➡️ ➡️

THERE ARE 10 OBS
THEREFORE
:-
154
___ = 15. 4
10