Question

Find the mean of these sets of data:
a) 1,3,5,7,9,11,13,15
​

Answer 1

Step-by-step explanation:

Mean= sum of observations/number of observations

=1+3+5+7+9+11+13+15/8

=64/8

=8

Answer 2

The required mean = 8

Given :

The observations 1 , 3 , 5 , 7 , 9 , 11 , 13 , 15

To find :

The mean

Solution :

Step 1 of 2 :

Write down the given observations

Here the given observations are 1 , 3 , 5 , 7 , 9 , 11 , 13 , 15

Number of observations = 8

Sum of the observations

= 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15

= 64

Step 2 of 2 :

Find the mean

The required mean

$\displaystyle \sf{ = \frac{Sum \: of \: the \: observations}{Number \: of \: observations} }$

$\displaystyle \sf{ = \frac{64}{8} }$

$\displaystyle \sf{ = 8}$

━━━━━━━━━━━━━━━━

Learn more from Brainly :-

$1.$ If the sum of twelve marks is 510, what is their average?

https://brainly.in/question/38904597

2. The mean of 5 numbers is 39. If one number is excluded, their mean is 35, find the excluded number

https://brainly.in/question/33419522