01
Choose one
1 point
Which type of display is generally suited to showing how a measured quantity changes over time?
Free Practice Quiz Question List
4 Reading Charts and Data Displays Online Quiz Questions
Use this free practice quiz with 20 questions to review 4 Reading Charts and Data Displays, test your knowledge, and prepare for your next test or exam.
20 questions
02
Choose one
1 point
A chart labels its values “thousands of dollars.” What does a value of 8 represent?
- A
8 dollars
- B
8,000 dollars
- C
80 dollars
03
Fill in the blank
1 point
In a chart, a legend what different colors, symbols, or lines represent.
04
True or false
1 point
True or false: In a line graph, the horizontal axis always represents time.
- A
True
- B
False
05
True or false
1 point
True or false: A bar chart with a vertical axis that begins above zero can make small differences between bars appear dramatic.
- A
True
- B
False
06
Written response
1 point
The visitor count was 120 in January and 150 in February. By how many visitors did the count increase?
07
Fill in the blank
1 point
The limitation category that asks which dates, places, or groups are included—and what is left out—is .
08
Written response
1 point
Which limitation category asks what was counted or measured and whether values are totals, averages, percentages, or estimates?
09
Choose one
1 point
What is a possible effect of using an axis that covers a very wide range?
- A
It always makes every difference look larger.
- B
It may make meaningful differences difficult to see.
- C
It changes the underlying values.
10
Choose all
1 point
Which practices follow the guidance for evaluating an axis scale? Select all that apply.
- A
Read intervals from their labels rather than guessing from visual spacing.
- B
Check the axis starting value and range.
- C
Assume equal-looking gaps always correspond to the intervals you expect.
- D
Notice whether the axis begins above zero, since this can affect visual emphasis.
11
Choose all
1 point
Which questions address limitations a reader should consider before relying on a data display? Select all that apply.
- A
Check which dates, places, or groups are included and left out.
- B
Determine whether values are totals, averages, percentages, or estimates.
- C
Judge whether the colors are visually pleasing.
- D
Look for information about sample size, missing data, or uncertainty.
12
True or false
1 point
A graph shows that attendance increased after a new program began. True or false: This timing relationship alone establishes that the program caused the increase.
- A
True
- B
False
13
Open ended
1 point
A chart reports the average test score for one school in one year, but gives no sample size and no comparison group. Identify at least two limitations and explain what conclusion a reader can responsibly draw.
14
Choose one
1 point
A bar chart's vertical axis is labeled “Revenue (thousands of dollars).” A bar reaches 8. What revenue does the bar represent?
- A
$8
- B
$800
- C
$8,000
- D
$80,000
15
Choose one
1 point
A graph has two lines, one solid and one dashed. Its legend labels the solid line “Adults” and the dashed line “Children.” What does the legend help a reader determine?
- A
It shows the exact value of every point on both lines.
- B
It identifies which group each line represents.
- C
It explains why the two groups changed.
- D
It shows the scale used on the horizontal axis.
16
Choose one
1 point
A shop records its daily number of customers for a month and wants to make changes over time easy to see. Which display is generally best suited to that purpose?
- A
A line graph
- B
A pie chart
- C
A map
- D
A bar chart with one bar for each product
17
Written response
1 point
An axis is labeled 0, 5, 10, 15, and 20, with equal intervals between adjacent labels. What quantity does one interval represent? Enter the value in units.
18
Choose one
1 point
A display reports a measured quantity of 36 units for Category A and 45 units for Category B. By how many units is Category B higher than Category A?
- A
6 units
- B
8 units
- C
9 units
- D
11 units
19
Choose one
1 point
Two bars represent values of 48 and 52. The vertical axis starts at 45 rather than 0. What effect can this scale choice have on how readers perceive the bars?
- A
The actual difference between the values becomes larger.
- B
The visual difference can look more dramatic than the actual difference.
- C
The bars become impossible to compare.
- D
The values shown by the bars change.
20
Written response
1 point
A display reports a value of 36 units at the start of a period and 45 units at the end. By how many units did the value increase? Enter the increase as a number of units.