Overview of Statistics

__________ is the science of collecting, organizing, analyzing, and interpreting data in order to make decisions.

• Statistics

• Data

• Population

• Sample

A poll was conducted in which 1000 adults were asked if they prefer bottled water or tap water, and 57% of them said they prefer bottled water. In this scenario, the 57% is a _____.

• population

• sample

• parameter

• statistic

Identify the population and the sample:

The average annual salary for 35 of a company's 1200 accountants is $68,000.

• Population: 1200

  Sample: $68,000

• Population: 35

  Sample: 1200

• Population: 1200

  Sample: 35

• Population: $68,000

  Sample: 1200

Determine whether the numerical value is a parameter or statistic:

A survey of 2514 college board members found that 38% think that higher education costs what it should relative to its value.

• Parameter

• Statistic

Choose the statistical question:

• What time did you wake up this morning?

• What time do 12th graders wake up each morning during the school week?

There are 17,246,372 high school students in the U.S. In a study of 8505 U.S. high school students 16 years of age or older, 44.5% of them said they texted while driving at least once in the past 30 days. Which of the following represents the sample?

• the 17,246,372 high school students in the U.S.

• the 8505 U.S. high school students 16 years of age or older

• the 44.5% who said they texted while driving

• the past 30 days

_________ consist of information coming from observations, counts, measurements, or responses.

• Statistics

• Data

• Population

• Sample

_______ is a part of a group being surveyed.

• Sample

• Population

• Random Sample

• Quartile

Determine whether the numerical value is a parameter or statistic:

Sixty-two of the 97 passengers aboard the Hindenburg airship survived its explosion.

• Parameter

• Statistic

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

• Sample

• Population

• Random Sample

• Quartile