Statistics Review

The data from how many students was recorded on this histogram?

• 43

• 4

• 60

• 15

What is the difference between a statistical question and one that is not statistical?

• The answers can show you how many of something.

• Answers of statistical questions have variability (many answers). Non-statistical have no variability (one answer).

• There are no answers to statistical questions.

• Statistical questions are harder!

3,4,7,6,8,7,9,3,7,4

What is the mode for this data set?

• 3

• 7

• 7.5

• 9

35, 43, 81, 30, 41, 95, 103, 43, 96

What is the mean of this data set?

• 43

• 46

• 567

• 63

6, 11, 14, 4, 8, 8, 10, 9, 14

What is the mean of the data, rounded to the nearest tenth?

• 6.0

• 8.0

• 9.3

• 6.8

What are the values for the five number summary?

Min., Q1, Q2, Q3, Max

• 2,4,6,8,10

• 0, 3,5,11,20

• 2, 2.5, 4.5, 10.5, 18

• 2, 3, 5, 11, 18

How many pieces of data are shown on this dot plot?

• Max. - Min = 6-0=6

• 17, I counted the data

• 2, it is in the middle

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

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

• 24
• 36
• 39
• 52

A data set can have more than one mode

• True
• False