Question

1. Give the formula to find mean - and sovle the
numbere 1/7 and 1/7. using
mean.​

Answer 1

Answer:

Formula of mean:

Sum of observations/Number of Observations

Answer 2

Answer:

$\frac{1}{7} \times x = x \times \frac{1}{7} \\ x \times x = {x}^{2} \\ \frac{1}{7} \times \frac{1}{7} = \frac{1}{49} \\ = {x}^{2} = \sqrt{ \frac{1}{49} } \\ = square \: of \: \sqrt{ \frac{1}{49} } \\ = \frac{1}{7}$