Statistics Review

Front

What is a bar graph used for?

Back

A bar graph is used to show comparative size.

Front

How do you determine the median of a data set?

Back

To find the median, arrange the data in order and identify the middle value.

Front

What do points B and D represent on a box plot?

Back

Points B and D represent the first and third quartiles.

Front

What is the median of the following data set: 2, 3, 5, 6, 8?

Back

The median is 5.

Front

What is axis manipulation in graphs?

Back

Axis manipulation is when the scale of the axes is altered to misrepresent data.

Front

When should you use a line graph?

Back

A line graph is used to show trends over time.

Front

What is the mode of a data set?

Back

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

Front

What is a box plot?

Back

A box plot is a graphical representation that shows the distribution of a data set based on a five-number summary.

Front

What does the term 'outlier' mean in statistics?

Back

An outlier is a data point that is significantly different from the other data points in a set.

Front

How do you calculate the mean of a data set?

Back

To calculate the mean, add all the values together and divide by the number of values.