Question

hey guys!!

please help me by solving this question...
it's really too urgent..
no spams please..

Answer 1

Mean = Sum of obs./No of obs.
7 = 3+5+7+11+x/5
35= 26+x x = 9

Answer 2

Answer:

x = 9

Step-by-step explanation:

Given, Mean = 7.

Total number of observations = 5.

Sum of observations = 3 + 5 + 7 + x + 11 = 26 + x.

∴ Mean = (Sum of observations)/(Total number of observationa)

⇒ 7 = (26 + x)/5

⇒ 7(5) = 26 + x

⇒ 35 = 26 + x

⇒ x = 9.

Therefore, the value of x = 9.

Hope it helps!