Data Collections Statistics

The ________ is the totality of the observations with which we are concerned.

• Population

• Sample

Type of Quantitative data that is finite or countable.

• Discrete

• Continuous

Statistics that describe the group characteristics.

• Descriptive Statistics

• Inferential Statistics

Numerical summary of the sample which can be used to make inferences about parameters. 

• Parameter

• Statistic

The distribution of this data set can best be described as...

• Right-skewed

• Left-skewed

• Symmetrical

• Purple

Answer explanation

The tail is on the right, so it is right-skewed.

Also known as numerical data.

• Qualitative

• Quantitative

Identify the sample:

A survey of 500 adults in the U.S. found that 54% drink coffee daily.

• A. Collection of the 500 adults surveyed

• B. Collection of all adults in the U.S.

• C. 54%

• D. 500

The number of votes received by the Republican and Democratic candidates for congress in your district in the last election

• Nominal

• Ordinal

• Interval

• Ratio

What is the difference between a population and a sample in statistics?

• A population refers to the entire group, while a sample is a subset of the population.

• A sample is the entire group, while a population is a subset

• A population is smaller than a sample

• A population and a sample are the same thing

Determine whether the data is qualitative or quantitative:

Heights of infants in a maternity ward.

• Qualitative

• Quantitative