Question

construct a brograph to represent the data given below
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Answer 1

1. Give five examples of data that you can collect from your day-to-day life.

Sol. Following are five examples which are related to day-to-day life.

(i) Number of girl students in our class.

(ii) Number of computer sets in our computer-lab.

(iii) Telephone bills of our house for last two years.

(iv) Number of students appeared in an examination, obtained from newspapers.

(v) Number of female teachers in all the schools in a state obtained from the education department.

2. Classify the data in Q. 1 above as primary or secondary data.

Sol. We have:

Primary data: (i), (ii) and (iii)

Secondary data: (iv) and (v)