Mean Median Statistical Questions

Mean-​ (a)  

Median-​ (b)  

• 12.6

• 12

• 12.5

• 8

• 16

• 3

• 24

A set of nine data points is shown.

Which statement is true if a tenth data point of 45 is added to the data set?

• The mean and median will both increase.

• he mean will increase and the median will decrease.

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

• The mean and median will both decrease.

A set of nine data points is shown below Which statement is true if a tenth data point of 45 is added to the data set?

• The mean and the median will both increase.

• The mean will increase and the median will decrease.

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

• The mean and median will both decrease.

Find the median of the data set.

• 3

• 7

• 10

• 14

To find the average of a set of numbers, add up all the items and divide by...

• 2

• The minimum

• The maximum

• The number of items

What is the definition of the mean?

• The average

• The middle number

• The difference between the highest and lowest numbers

• The number that occurs the most

When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2

• Write them both as the answer

• Give up

• Pick one

The number of miles that Kiki cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Kiki cycled?

• 24

• 36

• 39

• 52

The cost of four cell phones are $345, $400, $110, and $640.
What is the median cost

• $330

• $390

• $372.50

• $375

In order to find the median, the data must be sorted from least to greatest first.

• True

• False