5/05 Unit 6 Review

Front

What is the modal class of a distribution?

Back

The modal class is the range of values that appears most frequently in a data set.

Front

What is the mode in a data set?

Back

The mode is the number that appears most frequently in a data set.

Front

How do you find the mode of a data set?

Back

Look for the number that repeats the most.

Front

What does it mean if a data set has no mode?

Back

It means that no number repeats more than once.

Front

What is undercoverage in survey sampling?

Back

Undercoverage occurs when some members of the population are inadequately represented in the sample.

Front

What is convenience sampling?

Back

Convenience sampling is a method where the sample is taken from a group that is easy to reach.

Front

What is non-response in surveys?

Back

Non-response occurs when selected individuals do not respond to the survey.

Front

What is a frequency distribution?

Back

A frequency distribution is a summary of how often different values occur in a data set.

Front

What is the difference between mean and mode?

Back

Mean is the average of all numbers, while mode is the number that appears most frequently.

Front

What is a data set?

Back

A data set is a collection of related data points or values.