Question

The arithmetic mean of the data 7, 8, k, 11, 14 is k then the value of k is ​

Answer 1

Answer

See the image attached

I hope now you can understand it better

Answer 2

The value of k is 10.

• Arithmetic mean is calculated by the formula,

Arithmetic mean = $\frac{Sum \ of \ all \ the \ values}{Number \ of \ values}$

• Given:

Arithmetic mean of 7,8,k,11,14 is k.

k = $\frac{7+8+k+11+14}{5}$

5k = 40 + k

4k = 40

k = 40/4

k = 10

• The value of k is 10.