Math Population Inferences

The average of a data set is also known as the

• Mode

• Median

• Mean

• Range

Measures that describe a data set by identifying the

middlemost value by a single number, usually using a mean, median or mode, are called

• Measures of Central Tendency

• Measures of Spread

• Measures of Medians

• Measures of Averages

What is the middle value in a data set that has been ordered from least to greatest?

• Mode

• Median

• Mean

• Q1

What is the values or numbers that occurs the most in a data set?

• Median

• Mode

• Mean

• Maximum

A travel club has 3,000 members. A random sample of 50 of the club members found that 12 people like mountain vacations best. Which statement is NOT supported by the sample data?

• Twenty-four percent of those sampled say they like mountain vacations best.

• An estimated 720 club members would likely say they enjoy mountain vacations best.

• Almost one-quarter of club members would likely say they enjoy mountain vacations best.

• More than 2,500 club members would likely say they prefer other vacations over mountain vacations.

Events that cannot happen at the same time in a probability experiment are called

• Exclusive

• Mutually Exclusive

• Maximum Exclusive

• Minimum Exclusive

The point labeled "masked point" is a/an

• Outlier

• Maximum

• Sample

• Mode

A sample in which members of the population are randomly picked and each member is equally likely to be chosen is called a/an

• simple random sample

• biased sample

• convenience sample

• invalid sample

A survey company was trying to see if people in a state thought the pollution was too high. Which choice best represents a population?

• A selection of people who owns more than 3 cars.

• A selection of people from different neighborhoods.

• People who live in dirty neighborhoods.

• All the people in the state.

_______ is the entire group of objects or individuals considered for a survey.

• Sample

• Quartile

• Random Sample

• Population