Histograms/Box-Plots, Central Measures, Shape, Spread

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1,0,1,5,6,3,4

• 3.33
• 2.85
• 3
• 3.5

What is the Mode?
  22,7,22,1,7,18,18,16,6,6,7

• 7
• 18
• 21
• 6

The heights of some students are given.
158cm     172cm      164cm
164cm     167cm      159cm
 What is the range of the heights?

• 13cm
• 14cm
• 164cm
• 330cm

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

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

Find the median, mode and range: 
3, 5, 7, 9, 11, 8, 3

• median:7  mode:3  range:8
• median:6  mode:3  range:7
• median:7  mode:3 range:8

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

• 3
• 4
• 5
• 8

What is the population standard deviation for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89
• 10.1
• 7.26
• 9

Calculate the interquartile range of the following 20 scores2, 3, 5, 7, 9, 11, 15, 17, 19, 20, 20, 21, 23, 30, 31, 32, 33, 35, 37, 40

• 38
• 20.5
• 17
• 21.5

A florist recorded the number and cost of flower bouquets that were sold daily and recorded the data below. What is the frequency of a bouquet that cost at least $40?

• 2
• 15
• 22
• 37