Statistic Quiz

The seniors at Kennedy High School are going to vote where the senior trip should be. The teachers need 100 votes before they can make a final decision. Identify the population.

• Seniors at Kennedy High School

• Teachers at Kennedy High School

• 100 senior voters

Ms. Wilson concludes that 85% of the students in the school have at least one pet after she conducts a survey of 25 students in her class. Is this survey a census or a sample?

• census

• sample

• not enough information to tell

• both

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected.

• systematic

• simple random sample

• convenience

• Self - selected (volunteer)

Identify the sampling design: Mr. Rhoades puts all of his students' names in a hat and randomly selects one without looking.

• cluster

• volunteer

• systematic

• simple random

What is the mean of the following data set: 4, 8, 6, 5, 3, 7, 9?

• 5.5

• 6

• 6.5

• 7

What is the median of the following data set: 12, 15, 14, 10, 18, 20, 22?

• 14

• 15

• 16

• 18

What makes a question statistical?

• It can be answered with a simple fact.

• It asks for an opinion.

• It requires data collection and analysis to answer.

• It has a yes or no answer.

Which of the following is a statistical question?

• What is the height of the tallest building in the world?

• How tall is the tallest building in your city?

• What is the average height of buildings in major cities around the world?

• What color is the Empire State Building?

What characteristic does a statistical question have?

• It is about a single event or fact.

• It is based on personal preferences.

• It involves variability and requires data to describe it.

• It can be answered without collecting data.

Choose the statistical question from the options below.

• What is the speed of light?

• How many pages does the longest book in your library have?

• What is the average amount of time students spend on social media each day?

• Who was the first person to climb Mount Everest?