Basic Statistics Review

Multiple Choice

What is the mean of these numbers?

4,5,5,2,3,3,2,8

• 40

• 24

• 4

• 256

Multiple Choice

Find the median:

3, 5, 7, 4, 3, 1

• 3 and 4

• There isn't one

• 3.5

• 3

Multiple Choice

Which measure of center best represents this set of data?

12, 13, 11, 16, 31, 14, 10, 15

• Mean

• median

• mode

Multiple Choice

Identify the outlier for the given data?

23, 34, 27, 7, 30, 26, 28, 31, 34

• 7

• 23

• 31

• 34

Multiple Choice

Which interval has 4 students?

• 56-59
• 60-63
• 60-67
• 48-51

Multiple Choice

What is the median of the data?

• 10

• 12

• 13

• 14

• 18

Multiple Choice

What is the range of the data?

• 80

• 10

• 70

• 40

• 30

Multiple Choice

Which person has the higher upper extreme and what is that number?

• Irene, 90 minutes

• Janelle, 80 minutes

• Irene, 80 minutes

• Janelle, 70 minutes

Multiple Choice

What percent of the data falls between 8 and 10 absences?

• 0%

• 25%

• 50%

• 75%

• 100%

Multiple Choice

Which group of people has 50% of the data above 5 magazines each day?

• Children

• Adults

Multiple Choice

What is the shape of the distribution?

• Skewed Left 
• Skewed Right
• Symmetric
• Bimodal

Multiple Choice

What is the shape of the distribution?

• Skewed Left 
• Skewed Right
• Symmetric
• Bimodal

Multiple Choice

Type of Data arrangement

• Symmetrical
• Hairline
• Skewed Right
• Skewed Left

Multiple Choice

The table shows incomplete info about customers' orders in a cafe. How many women visited the cafe in total?

• 37

• 15

• 22

• 12

Multiple Choice

How many more children prefer playing cricket than netball?

• 1

• 7

• 6

• 5