Chapter MCQ Test 2 — Presentation of Data
10 Questions • 12 min • Chapter MCQ
12:00
Question 1 of 10
A newspaper shows household spending split into food, rent, and savings as slices of a circle. This is a:
Pie chart
Histogram
Ogive
Time series graph
Explanation: Shares of a whole shown as slices of a circle make a pie chart.
Question 2 of 10
If transport is 25% of a family's budget, its pie-chart slice has an angle of:
90°
25°
120°
360°
Explanation: 25% of 360° = 0.25 × 360° = 90°.
Question 3 of 10
A histogram's bars touch each other, unlike a bar diagram, because a histogram shows:
Continuous class intervals with no gaps
Separate categories
Pie slices
Time trends
Explanation: Continuous classes leave no gaps, so the rectangles adjoin.
Question 4 of 10
To show how India's GDP changed each year from 2010 to 2024, the best presentation is a:
Time series line graph
Pie chart
Component bar diagram
Stub table only
Explanation: Values over time are best shown as a line (time series) graph revealing the trend.
Question 5 of 10
A school wants to show, for each of 3 years, the number of boys and girls separately. The clearest diagram is a:
Multiple bar diagram
Simple bar diagram
Pie chart
Ogive
Explanation: Two bars (boys, girls) per year side by side make a multiple bar diagram.
Question 6 of 10
An economist wants to read off the median of grouped data graphically. She should draw an:
Ogive
Pie chart
Simple bar diagram
Pictogram
Explanation: The median is read from the ogive (or where the two ogives cross).
Question 7 of 10
A table without a source note is weaker mainly because readers:
Cannot check where the data came from
Cannot see the title
Cannot read the body
Lose the captions
Explanation: The source note lets readers judge reliability; without it, trust falls.
Question 8 of 10
To show the parts that make up a single total within one bar, use a:
Component (sub-divided) bar diagram
Multiple bar diagram
Histogram
Time series graph
Explanation: A component bar diagram splits one bar into its parts of the total.
Question 9 of 10
Compared with a paragraph of figures, a good table is better because it:
Presents data clearly at a glance for easy comparison
Hides the numbers
Removes the source
Adds opinions
Explanation: Rows and columns let the eye compare figures quickly — the point of tabulation.
Question 10 of 10
Smoothing a frequency polygon into a free-hand curve gives a:
Frequency curve
Ogive
Pie chart
Bar diagram
Explanation: A smooth curve through the mid-points is the frequency curve.