Question

92.
The mean of set of observations X. X. ..., Xin is 20. The mean of x, + 4. x2 +8.12... ***
40 is
(A) 34
(9) 42
(C) 28
(D) 40​

Answer 1

Answer:

for which grade this question is

Answer 2

Answer:

option B is the correct answer

Step-by-step explanation:

please mark as brainleist answer n follow