7th Grade Statistics Review

Front

What is the mean?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the total count of numbers.

Front

How do you find the mean of a data set?

Back

To find the mean, add all the numbers in the data set together and then divide by the number of values in the set.

Front

What is the mode?

Back

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

Front

How do you determine the mode of a data set?

Back

To find the mode, identify the number that occurs most often in the data set.

Front

What is a box and whisker plot?

Back

A box and whisker plot is a graphical representation of a data set that shows the median, quartiles, and extremes.

Front

What does the median represent in a data set?

Back

The median is the middle value when the numbers are arranged in order.

Front

How do you find the median of a data set?

Back

To find the median, arrange the numbers in order and identify the middle number. If there is an even number of values, average the two middle numbers.

Front

What is a dot plot?

Back

A dot plot is a simple way to display data using dots above a number line, where each dot represents one occurrence of a value.

Front

What is the purpose of comparing two classes' test scores?

Back

Comparing test scores helps determine which class performed better and can inform teaching strategies.

Front

What is a data set?

Back

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