Mean, Median, Mode

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

• 13
• 12
• 11
• 10

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193
• 127
• 60
• 66

What is the mode?

• # happening the most
• the average
• biggest - smallest
• the middle #

What is the mean?

• # happening the most
• the number in the middle
• biggest-smallest
• the average

If there is an even number of data in the data set how do you find the median?

• order the data and find the middle value
• order the data add the 2 middle values and divide by 2

What is the median?

• biggest- smallest
• average
• the middle #
• # that happens the most

• 8
• 5
• 3
• 6

• 4
• 5
• 10
• 10.5

• 4.25
• 4
• 5
• 85

Calculate the interquartile range of the following data17, 18, 18, 19, 20, 21, 21, 23, 25

• 3
• 4
• 5
• 8