AQL Data Interpretation and Graphs 2

Question 1

A histogram differs from a bar graph in that a histogram:

Accepted Answer

Shows the distribution of continuous data grouped into intervals

Answer

Compares categories using separate bars

Answer

Displays parts of a whole as slices

Answer

Shows a trend over time using connected points

Question 2

If a table shows that Product A sold 300 units and Product B sold 450 units, what is the ratio of Product A sales to Product B sales in simplest form?

Accepted Answer

2:3

Answer

3:4

Answer

1:2

Answer

3:5

Question 3

A double bar graph is most useful for:

Accepted Answer

Comparing two data sets across the same categories

Answer

Showing the percentage composition of a whole

Answer

Displaying a single variable's trend over time

Answer

Depicting the frequency of intervals in a data set

Question 4

From a data table, total sales went from $80,000 to $100,000 year over year. What is the percent increase?

Accepted Answer

25%

Answer

20%

Answer

80%

Answer

2%

Question 5

A stem-and-leaf plot is used to:

Accepted Answer

Display individual data values while showing the shape of the distribution

Answer

Compare parts of a whole using percentages

Answer

Plot the relationship between two quantitative variables

Answer

Show changes in a measurement over time

Question 6

Which graph would best display the proportion of time a student spends on homework, sports, reading, and leisure each week?

Accepted Answer

Pie chart

Answer

Scatter plot

Answer

Histogram

Answer

Line graph