Statistics: Shapes of Graphs

Front

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

How do you find the average of a set of numbers?

Back

Add up all the items and divide by the number of items.

Front

What does a peak in a data display indicate?

Back

A peak indicates where the data is at its highest point.

Front

What is an outlier in a data set?

Back

An outlier is a data value that is much higher or much lower than the other values.

Front

Can a data set have more than one median?

Back

False. A data set can have only one median.

Front

What is a mode in statistics?

Back

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

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data.

Front

What is a bar graph used for?

Back

A bar graph is used to compare different categories of data.

Front

What is the purpose of a line graph?

Back

A line graph is used to show trends over time.

Front

What does the term 'mean' refer to in statistics?

Back

The mean is the average of a set of numbers, calculated by dividing the sum by the count.