One Variable Statistics Review

What is an example of a statistical question. Select all that apply.

• What brand of car does Mrs. Mobbs drive?

• How many cars are in the parking lot today?

• On average, how many students ride the bus to school each day?

• What is the favorite color of PJHS students?

What is an example of a non-statistical question. Select all that apply.

• What brand of car does Mrs. Mobbs drive?

• How many cars are in the parking lot today?

• On average, how many students ride the bus to school each day?

• What is the favorite color of PJHS students?

What is an example of a categorical question. Select all that apply.

• What brand of car does Mrs. Mobbs drive?

• How many cars are in the parking lot today?

• On average, how many students ride the bus to school each day?

• What is the favorite color of PJHS students?

What is an example of a numerical question. Select all that apply.

• What brand of car does Mrs. Mobbs drive?

• How many cars are in the parking lot today?

• On average, how many students ride the bus to school each day?

• What is the favorite color of PJHS students?

What is the median number of hot dogs eaten by the contestants of a hot dog eating contest?

• 4

• 5

• 7

• 15

• 18

The scores of 10 students who took a final exam are listed below:

58 72 74 92 84 40 74 81 76 83

What is upper quartile (Q3) of the data set?

What is the age of the youngest person employed at the software company?

• 10

• 15

• 19

• cannot be determined

What age interval has exactly 4 employees?

• 10 - 19

• 20 - 29

• 30 - 39

• 40 - 49

• 50 - 59

The dot plot represents student scores on a science test. How many students took the test?

Describe the shape of the data. Select all that apply.

• bell-shaped

• skewed left

• skewed right

• symmetric

• uniform