Question

find the mean of the following data 149 153 151 152 147 150 153​

Answer 1

Mean = Sum of all observations/no. of observations

Mean = 149+153+151+152+147+150+153/7

= 1055/7

= 150.71

Answer 2

Answer:

149 + 153 + 151 + 152 + 147 + 150 + 153

_____________________________

7

=> 1055

____

7

=> 150.71

Ans. 150.71

Formula of mean = Sum of the given numbers

_____________________

No of numbers

Hope it helps.