Statistics Review

What is the main purpose for asking statistical questions?

• Surveying people is fun.

• We can create charts with statistics.

• Statistical questions help us gather data about a topic.

Choose the statistical question:

• What time did you wake up this morning?

• What time do sixth graders wake up each morning during the school week?

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5
• 6
• 9
• 11

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

Find the range.
5, 15, 10, 20, 15, 10, 15

• 5
• 10
• 15
• 13

Mode:
67, 74, 95, 98, 98, 99, 102

• 90.4
• 35
• 92
• 98

What is the maximum amount of goals scored?

• 3

• 1

• 0

• 7

How many total students were surveyed about their number of brothers and sisters? (add up all of the dots)

• 15

• 10

• 6

What is the mode of the data?

• 2

• 1

• 4

• 12

What is this type of graph called?

• a bar graph

• a line plot

• an "X" graph