Question

Find the mean and median of the following data
15, 12, 10, 9, 8, 13, 17

Answer 1

Answer:

12

Step-by-step explanation:

The median is the middle number in a sorted , ascending or descending , list of numbers and can be more descriptive of that data set then the average.

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Answer 2

Answer:

Mean = 12

Median = 12

Step-by-step explanation:

Mean of the given data

Sum of the terms = 15 + 12 + 10 + 9 + 8 + 13 + 17

= 84

Number of terms = 7

Mean = Sum of the terms / No. of terms

= 84 / 7

Hence ;

Mean = 12

Median of the given data

Arrange the numbers in ascending order to find median

8 , 9 , 10 , 12 , 13 , 15 , 17

No. of terms ( n ) = 7

n is odd ;

So , Median = ( n + 1 ) / 2 th term

Median = ( 7 + 1 ) ÷ 2

Median = 8 ÷ 2

Hence ;

Median = 4th term

Median = 12