AP Statistics Summer Assignment

Which type of graph is most appropriate for displaying the frequencies of different categories in a dataset?

• Histogram

• Bar graph

• Scatter plot

• Line graph

A pie chart is best used to:

• Show the distribution of a quantitative variable

• Compare the means of two groups

• Display the proportion of categories in a whole

• Show changes over time

Which measure of central tendency is calculated by adding all values and dividing by the number of values?

• Median

• Mode

• Mean

• Range

• 7

• 8

• 10

• 12

Which of the following is NOT a measure of central tendency?

• Mean

• Median

• Mode

• Standard deviation

In a box plot, what does the line inside the box represent?

• The mean

• The mode

• The median

• The range

• 2

• 3

• 6

• 20

A bar graph is different from a histogram because:

• Bar graphs display categorical data, histograms display quantitative data

• Bar graphs use continuous intervals, histograms use categories

• Bar graphs have no gaps between bars, histograms do

• Bar graphs show trends over time

If a data set is skewed to the right, which measure of central tendency is most affected?

• Mean

• Median

• Mode

• Range

Which of the following best summarizes the spread of a data distribution?

• Mean

• Median

• Range

• Mode