## ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 15 Data Handling Check Your Progress

Question 1.

A die is thrown 25 times and the scores were as given below :

2, 1, 4, 6, 2, 3, 1, 5, 6, 3, 4, 5, 2, 1, 6, 6, 6, 3, 2, 2, 2, 4, 3, 2, 2

(i) Construct a data array.

(ii) Construct a tally chart and frequency distribution table.

Solution:

Question 2.

In primary school, the number of students in different classes is as follows:

Represent this data by a pictograph, using ≃ 20 students.

Solution:

Question 3.

Observe the following bar graph, showing the marks scored by Gurmeet in the annual examination in different subjects: Answer the following questions:

(i) What is the scale of this bar graph?

(ii) In which subject Gurmeet obtained maximum marks?

(iii) In which subject she obtained minimum marks?

(iv) Name the subject(s) in which she got 80 or more marks.

Solution:

Question 4.

The following table shows the monthly expenditure of a family on various items:

Represent the data by a bar graph.

Solution:

Question 5.

Find the mean and the median of the following data:

5, 3, 12, 0, 7, 11, 4, 3, 9

Solution:

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