Question:
In which scenario is a bar chart preferred over a line chart?
In which scenario is a bar chart preferred over a line chart?
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Bars compare separate categories. Lines show a trend over time.
Updated On: Oct 20, 2026
- To visualise monthly temperature trends over a year.
- To compare the number of students in different classes.
- To show stock price movements over time.
- To analyse trends in website traffic over days.
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The Correct Option is B
Solution and Explanation
Step 1: Know the use of each chart:
A line chart joins points in order. It shows how a value changes over time.
A bar chart draws a separate bar for each category. It compares values of different categories.
Step 2: Check option (1) monthly temperature over a year:
This is a change over time. A line chart is the better choice. So (1) is wrong.
Step 3: Check option (2) number of students in different classes:
Each class is a separate category. We want to compare the counts. A bar chart shows this best. So (2) is correct.
Step 4: Check option (3) stock price over time:
The price moves with time, so a line chart fits. So (3) is wrong.
Step 5: Check option (4) website traffic over days:
This is a trend over days. A line chart fits. So (4) is wrong.
Final Answer:
A bar chart is preferred to compare students in different classes, option (2).
A line chart joins points in order. It shows how a value changes over time.
A bar chart draws a separate bar for each category. It compares values of different categories.
Step 2: Check option (1) monthly temperature over a year:
This is a change over time. A line chart is the better choice. So (1) is wrong.
Step 3: Check option (2) number of students in different classes:
Each class is a separate category. We want to compare the counts. A bar chart shows this best. So (2) is correct.
Step 4: Check option (3) stock price over time:
The price moves with time, so a line chart fits. So (3) is wrong.
Step 5: Check option (4) website traffic over days:
This is a trend over days. A line chart fits. So (4) is wrong.
Final Answer:
A bar chart is preferred to compare students in different classes, option (2).
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