Statistics Sample Population

Which of the following statements about variables is correctly paired?

• A qualitative variable describes or categorizes an element of population, while a quantitative variable quantifies an element of a population

• A quantitative variable describes or categorizes an element of population, while a qualitative variable quantifies an element of a population

• A qualitative variable describes an element of the sample population, while a quantitative variable quantifies an element of total population

• A quantitative variable describes an element of the sample population, while a qualitative variable quantifies an element of total population

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

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

• Statistics

• Data

• Population

• Sample

Determine whether the data set is a population of a sample:

The amount of energy collected from every wind turbine on a wind farm.

• Population

• Sample

Determine whether the data set is a population of a sample:

The cholesterol levels of 20 patients in a hospital with 100 patients.

• Population

• Sample

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

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 a part of a group being surveyed.

• Sample

• Population

• Random Sample

• Quartile

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

• Sample

• Population

• Random Sample

• Quartile

In a survey of 1046 adults conducted by Bradley Corp, subjects were asked how often they wash their hands when using a public restroom, and 70% of the respondents said "always". Identify the sample & population.

• Sample: the 1046 adults surveyed

  Population: the 70% that said "always"

• Sample: the 1046 adults surveyed

  Population: all adults

• Sample: all adults

  Population: the 1046 adults surveyed

• Sample: the 70% that said "always"

  Population: all adults