Page 2 - HA 4.2

3. Assertion (A) The sale of balls on different days of a week is shown below.

The balls sold on Thursday are 15.

Reason (R) A pictograph represents data through symbols or pictures.
(a) Both A and R art true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
4. An observation occurring five times in a data is recorded as |||||, using tally marks.
(True/False)
5. The following pictograph shows the number of desktops sold by a company during a
week. The scale used is: ▲ = 5 desktops

Look at the pictograph and answer the questions given below:
(a) How many desktops were sold on Saturday?
(b) How many desktops were sold on Monday?
(c) How many desktops were sold during the week?

(d) On which two days was the sale maximum?
(e) On which day was the sale minimum?
6. The number of students who were absent from the class during a week are given below:

Day Monday Tuesday Wednesday Thursday Friday Saturday
No. of 10 20 25 15 30 20
Absentees
Draw a picto graph for the above data.