Sampling and Statistics

• A
• B
• C
• D

What is the MEAN for this data?

• 80

• 1040

• 13

• 81

What is the difference between the highest score and the lowest score on the test?

• 15

• 100

• 6

• 10

According to a random telephone survey of 200 adults, 75% of all working adults in the U.S. are satisfied with their current job. What is the population in this survey?

• 200 adults

• adults in the U.S.

• 75% of adults

There are 45 people working in a particular building. A survey on dietary habits is conducted by giving every third person in the building a questionnaire to fill out. From the questionnaire, the researcher obtains a score on the dietary habits of the 15 people.What is the number of members in the population?

Mathematical Equivalence

ON

There are 45 people working in a particular building. A survey on dietary habits is conducted by giving every third person in the building a questionnaire to fill out. From the questionnaire, the researcher obtains a score on the dietary habits of the 15 people.What is the number of members in the population?

Mathematical Equivalence

ON

A recent survey of 800 seventh graders from across the state shows 4 out of 10 like to play paper football. How many students said they like to play paper football?

• 40 students

• 200 students 

• 320 students

• 8,000 students

The entire group studied is called the

• sample

• population

The part of the population being studied is called the

• population

• sample

• random

How many students received a score in the 80's?

• 2

• 10

• 14

• 27