Question

Average of 170,140,130,155,168​

Answer 1

Answer:

$\frac{sum \: of \: observations}{number \: of \: obervations}$

$\frac{ 170 + 140 + 130 + 155 + 168 }{5}$

Answer 2

Answer:

152.6

Step-by-step explanation:

Sum of Observations= 170+140+130+155+168= 763

No. of Observations= 5

Average= Sum of Observations/ No. of Observations

             = 763/5 = 152.6