Question

the arithmetic mean of the following observations; 10, 11, 12, 13, 14, 15 is​

Answer 1

Step-by-step explanation:

10+11+12+13+14+15/2

75/2

37.5

Hope this helps

Answer 2

Answer:

Mean=Sum of all observations/No. of observations

1)10+11+12+13+14+15/6

2)75/6

=12.5