Block 4: Statistics Review

Categorical or numerical?

The time of day that students go to bed.

• Categorical

• Numerical

Which is a better statistical question?

• What is the most popular brand of shoe in the United States?

• How many pairs of shoes do you own?

What is the mean of the data set?

10, 14, 14, 18, 23, 23

• 16

• 23

• 17

• 14

What is the median of the data set?

10, 14, 14, 18, 23, 23

• 16

• 18

• 17

• 23

What is the mode of the data set?

10, 14, 14, 18, 23, 23

• There is no mode

• 14

• 23

• 14 and 23

How many students were surveyed?

• 10 students

• 12 students

• 14 students

• 16 students

What is the median number of fish that students have?

• 6.5

• 6

• 7

• 7.5

Which interval shows the greatest number of pets?

• 15-19
• 0-4
• 5-9
• 10-14

What is an interval?

• A single number
• A range of numbers
• A percentage
• A total amount

How many students are between 48 and 51 inches tall?

• 14
• 8
• 2
• 0