Chapter 11 (Balbharati) · Class 9 Maharashtra SSC · Worksheet

Statistics (सांख्यिकी) Worksheet — Class 9 Maharashtra SSC Maths

Download a free printable worksheet with 30 questions at 3 difficulty levels. Includes full answer key.

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30 questions (Easy + Medium + Hard) with answer key. Fresh set generated daily.

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Sample Questions — Statistics (सांख्यिकी)

Here are 8 sample questions from this worksheet. Download the full PDF for all 30 questions.

Q1.Which of the following is an example of 'primary data'?

A.Data from a census report published by the government.

B.Information about historical events from a textbook.

C.Marks of students collected by their class teacher through a test.

D.Stock prices obtained from a financial website.

Difficulty: Easy

Q2.When data is presented in the exact form it was collected, without any organization or processing, it is called:

A.Grouped data

B.Raw data

C.Arrayed data

D.Secondary data

Difficulty: Easy

Q3.In a class of 30 students, if 8 students chose 'Cricket' as their favorite sport, what is the frequency of 'Cricket'?

A.1

B.8

C.30

D.22

Difficulty: Easy

Q4.For the inclusive class interval 10-19, what is the class size?

A.10

B.9

C.11

D.19

Difficulty: Easy

Q5.Which of the following statements correctly defines the 'class mark' of a class interval?

A.It is the lower limit of the class interval.

B.It is the upper limit of the class interval.

C.It is the difference between the upper and lower limits.

D.It is the midpoint of the class interval.

Difficulty: Easy

Q6.The mean of 4 numbers is 20. If each number in the data set is increased by 5, what will be the new mean?

A.20

B.22

C.25

D.30

Difficulty: Easy

Q7.Ria wants to find the median of the following data set: 25, 18, 30, 22, 28. She concludes that the median is 30 because it's the third number listed. What mistake did Ria make?

A.She should have added all numbers and divided by 5.

B.She chose the wrong position for the median.

C.The median can only be found for an even number of observations.

D.She did not arrange the data in ascending or descending order before finding the middle value.

Difficulty: Easy

Q8.Which statement about the mode of a data set is FALSE?

A.A data set can have more than one mode.

B.The mode is always unique.

C.The mode is the observation with the highest frequency.

D.The mode can be found for qualitative data.

Difficulty: Easy

Answer Key — Sample Questions+

Q1:Marks of students collected by their class teacher through a test.

Q2:Raw data

Q3:8

Q4:10

Q5:It is the midpoint of the class interval.

Q6:25

Q7:She did not arrange the data in ascending or descending order before finding the middle value.

Q8:The mode is always unique.

Download the full PDF for all 30 answers with step-by-step solutions.