Statistics – Maharashtra Board Class 9 Solutions for Algebra

Statistics – Maharashtra Board Class 9 Solutions for Algebra

AlgebraGeometryScience and TechnologyHindi

Exercise -7.1

Solution 1:

Solution 2:

Solution 3:

Solution 4:

Solution 5:

Solution 6:

Solution 7:

Exercise – 7.2

Solution 1:

Solution 2:

The subdivided bar diagram is as follows:

Solution 3:

The subdivided bar diagram is as follows:

Solution 4:

The subdivided bar diagram is as follows:

Exercise – 7.3

Solution 1:

Solution 2:

Solution 3:

Solution 4:

Solution 5:

Exercise – 7.4

Solution 1:

Solution 2:

Solution 3:

Solution 4:

Solution 5:

Exercise –  7.5

Solution 1:

Solution 2:

Solution 3:

Solution 4:

Solution 5:

Exercise – 7.6

Solution 1:

Arranging the given data in a tabular form, we have

Here, the maximum frequency is 3 and corresponds to observation 18.

∴ The mode is 18.

Solution 2:

Arranging the given data in a tabular form, we have

Here, the maximum frequency is 4 and corresponds to observation 14.
∴ The mode is 14.

Solution 3:

Here, the maximum frequency is 27 and corresponds to the age 19 years.
∴ The mode is 19 years.

Solution 4:

Here, the maximum frequency is 20 and corresponds to height 148 cm.
∴ The mode is 148 cm.

Solution 5:

Here, the maximum frequency is 4 and corresponds to the weights 60 kg and 47 kg.
∴ The modes are 60 kg and 47 kg.

Solution 6:

Here, the maximum frequency is 22 and corresponds to 19 marks.
∴ The mode is 19 marks.