Statistics Quiz

What does a box plot represent on a number line?

• The average and mode of the data

• The minimum and maximum values, the median, and the first and third quartiles

• The frequency of each data value

• The categories to which each individual belongs

What are categorical (or qualitative) variables?

• Variables that represent measured data that can take on any value

• Variables that represent counted data that can only take on certain values

• Variables that note the category to which each individual belongs

• Variables that are used to create histograms

What type of data is considered continuous?

• Data that can only take on certain values

• Data that is counted

• Data that is measured and can take on any value

• Data that is displayed using dots

What is discrete data?

• Data that is measured and can take on any value

• Data that can only take on certain values

• Data that describes categories

• Data that is represented on a number line

What is a dot plot?

• A representation of data on a number line divided into four sections

• A graphical display of data using bars

• A graphical display of data using dots

• A way to represent categorical data

What does the frequency of a data value indicate?

• The average value of the data

• The number of times it occurs in the data set

• The difference between the highest and lowest values

• The categories to which the data belongs

Which graphical displays are used to describe characteristics about a data set with categorical data?

• Box plots and histograms

• Dot plots and continuous graphs

• Bar charts and segmented bar charts

• Pie charts and line graphs

What is a histogram?

• A graphical display of data using dots

• A way to represent data on a number line where data values are grouped by ranges

• A representation of data that shows the average and mode

• A chart that shows the categories to which data values belong

What does the interquartile range measure in a distribution?

• The middle 50% of data

• The total range of data

• The average value of the data

• The difference between the highest and lowest data points

What is the maximum in the context of a function's graph?

• The lowest point on the graph

• The point where the graph intersects the y-axis

• The highest point on the graph

• The point where the graph intersects the x-axis