Question

1. For which of these would you use a Bar graph to show the data?
A. A bar graph makes it easy to compare sets of data between groups at a glance.
B. The number of letters for different areas in a postman's bag.
C. The height of competitors in an athletics meet. D. Bar graph can also show big changes in data over time. Give reasons for each.​

Answer 1

Step-by-step explanation:

A

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Answer 2

For which of these would you use a histogram to show the data?

(a) The number of letters for different areas in a postman�s bag.

(b) The height of competitors in an athletics meet.

(c) The number of cassettes produced by 5 companies.

(d) The number of passengers boarding trains from 7:00 am to 7:00 pm at a station.

Give reasons for each.

Ans. In (b) and (d), data can be divided into class intervals. So, their histograms can be drawn.

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