Statistics Review

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 #

Find the median of these numbers:
4,2,7,4,3

• 2
• 5
• 7
• 4

Find the mean of these numbers:
2, 57, 38, 42, 6

• 29
• 38
• 50
• 145

A data set can have more than one median?

• True
• False

What is the mean?

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

Find the mean of the following cell phone usage per month: 445, 516, 618, 575, 288

• 488.4
• 484
• 488
• 487.5

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

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 50
• A score of 91 was slightly below average.