Data and Statistics Review

Is this a statistical question? How many cars are in each driveway on your street? 

• Yes 
• No

Is this a statistical question? How many cars are in each driveway on your street? 

• Yes 
• No

Find the mean of the numbers:
2, 4, 5, 5, 6, 8

• 5
• 4
• 3
• 2

Find the MEDIAN 
77, 83, 83, 85, 87, 90, 90, 93, 94, 99, 99

• 77
• 99
• 90
• 87

What is the mode of the data?

• 1 book
• 9 books
• 3 books
• 0 books

What is the mean of test scores?
{70, 70, 80, 85, 85, 90, 95, 95, 100, 100}

• 87
• 85, 95, and 100
• 30
• 85 and 90

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

• 5
• 10
• 15
• 13

What is the median?

• 62
• 58
• 66
• 60

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

How many cities have temperatures between 70 degrees and 99 degrees?

• 44
• 34
• 26
• 62