Question

arithmetic mean of these items 5,7,9,15,20​

Answer 1

Answer:

Mean = Sum of number/ Quantity of number

Explanation:

Mean = 5+7+9+15+20/5

= 56/5

= Solve it and you'll get the answer

Answer 2

The mean of the given set of data is 11.2

Step-by-step Explanation:

Given set of numbers= 5,7,9,15,20​

To find= the mean of the given set of data

Solution:

The formula for calculation of the mean of a data is:

Sum all the values÷number of values

Sum of values= 5+7+9+15+20​= 56

Number of values= 5

Putting the values, we get:

Mean= 56÷5

Mean of the set= 11.2

Result:

Thus, the mean of the given set of data is 11.2

(#SPJ3)