Question

The mean value of 6,9,11,12 and 7 is
a)10
b)9
c)11
d)12​

Answer 1

Answer:

10

Step-by-step explanation:

The mean value of 6,9,11,12 and 7 is 10

Answer 2

Answer:

✮Formula used:

$Mean= \frac{sum \: of \: all \: observation}{no. \: of \: observation}$

✮Solution:

Sum of the observation= 6+9+11+12+17=55

No. of observation = 5

$⇒Mean = \frac{55}{5}$

$⇒Mean=11$

Therefore, The answer is option number (c) i.e., 11