A beverage company wanted to see if people in the United States liked their new logo. Which choice best represents a population?

• A selection of logo artists.

• Every person in the United States.

• A selection of shoppers from different states.

• 3,800 children age 5 - 15

In a survey of a sample of high school students, 43% said that their mother has taught them the most about managing money.

• parameter
• statistic

As of January 2007, 44% of the governors of the 50 states in the US are Republicans.

• parameter
• statistic

A car salesman records information about the cars he is selling.

The colour of each car is _____ data

• Qualitative

• Continuous

• Discrete

The length of a football pitch is _____ data

• Discrete

• Continuous

You are designing a sampling plan for a survey of city governments in your state to find

out the amount of money they are spending on administrative salaries.

Decide which sampling method would be best.

• systematic sample

• Cluster sample

• Simple Random Sample (SRS)

• convenience sample

Interview every 10th student who enters the school in the morning.

• simple random

• voluntary response

• systematic

• convenience

An independent research company wants to go door to door to survey people in the city of Fontana. The company decides to number all blocks within the city limit, randomly choose 1 block and survey all households on that block.

This is an example of:

• Simple Random Sample

• Stratified Random Sample

• Cluster Random Sample

• Systematic Random Sampling

A research team surveys 1001 adults, asking them how many hours they work per week. What is the margin of error for this survey?

• 3%

• 32%

• 63%

• 9%

A recent survey found that out of 400 random American adults, 89% pay their bills on time. The margin of error in this survey was 2%. What is the interval of values in which the truth is likely found?

• 89% - 91%

• 87% - 89%

• 87% - 91%

• 388 - 402