Question

A set of nine data points is shown below.

8, 11, 12, 10, 9, 7,5, 3, 9
Which statement is true if a tenth data point of 45 is added to the data set?
A
The mean and median will both increase.
B
The mean will increase and the median will decrease.
The mean will increase and the median will remain the same.
с c
D
The mean and median will both decrease.
Which statement is true if a tenth data point of 45 is added to the data set

Answer 1

first arrange the numbers in ascending order 3,5,7,8,9,9,10,11,12

Answer 2

с

The mean will increase and the median will remain the same.

Explanation: