case study questions for class 9 maths statistics

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Class 9th Maths - Statistics Case Study Questions and Answers 2022 - 2023

By QB365 on 08 Sep, 2022

QB365 provides a detailed and simple solution for every Possible Case Study Questions in Class 9th Maths Subject - Statistics, CBSE. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.

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Statistics case study questions with answer key.

9th Standard CBSE

Final Semester - June 2015

Mathematics

case study questions for class 9 maths statistics

(ii) In which subject has the performance deteriorated?

(iii) In which subject is the performance at par?

(iv) What is the difference in Maths Subject?

(v) What is the percentage of marks obtained by a student in Class X (2019-20)?

(ii) How many students scored less than 20 marks?

(iii) How many students scored more than 60% marks?

(iv) What is the class size of the classes?

(v) What is the class mark of the class interval 30 – 40?

Based on the information, answer the following questions: (a) The class interval with highest frequency is :

(b) What is the width of the class?

(d) How many students of the height 145 cm and above are there?

(e) How many students of the height more than 145 cm but less than 155 are there?

(a) The class interval with highest frequency is:

(b) Which age group was affected the least?

(d) How many patients of the age 45 years and above were admitted?

(e) How many patients of the age 35 years and less were admitted?

(b) What is the total number of students in Histogram?

(d) How many students scored less than 50% marks?

(e) What is the range of the collected marks?

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Statistics case study questions with answer key answer keys.

(i) (a ) Maths (ii) (d) English (iii) (a) Hindi (iv) (b) 30 Difference = 60 – 30 = 30 (v) (c) 54% Total marks = 60 + 55 + 50 + 45 + 60 = 270 Percentage = 270 x 100/500 = 54%

(i) (b) 21 (ii) (c) 12 (iii) (d) 27 60% marks = 30 marks No. of students more than 30 marks = 19 + 7 + 1 = 27 (iv) (a) 10 (v) (b) 35 Class mark = Mean of lower limit and upper limit = (30 + 40) / 2 = 70/2 = 35

(a) (i) 145-150 Highest frequency is 18 which belongs to 145 – 150. (b) (iii) 5 (c) (ii) 29 (d) (i) 40 (e) (ii) 29

(a) (ii) 35-45 Highest frequency is 23 Which belongs to 35-45. (b) (i) 35-45 (c) (i) 35-45 (d) (ii) 19 (e) (ii) 38

(a) (i) 10 (b) (ii) 60 (c) (iii) 27 50% marks of 60 = 50 x 60/100 = 30 marks Total number of students scored more than 30 marks = 19 + 7 +1 = 27 (d) (iv) none of these (e) (iii) 53

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Case Study on Statistics Class 9 Maths PDF

The passage-based questions are commonly known as case study questions. Students looking for Case Study on Statistics Class 9 Maths can use this page to download the PDF file.

The case study questions on Statistics are based on the CBSE Class 9 Maths Syllabus, and therefore, referring to the Statistics case study questions enable students to gain the appropriate knowledge and prepare better for the Class 9 Maths board examination. Continue reading to know how should students answer it and why it is essential to solve it, etc.

Case Study on Statistics Class 9 Maths with Solutions in PDF

Our experts have also kept in mind the challenges students may face while solving the case study on Statistics, therefore, they prepared a set of solutions along with the case study questions on Statistics.

The case study on Statistics Class 9 Maths with solutions in PDF helps students tackle questions that appear confusing or difficult to answer. The answers to the Statistics case study questions are very easy to grasp from the PDF - download links are given on this page.

Why Solve Statistics Case Study Questions on Class 9 Maths?

There are three major reasons why one should solve Statistics case study questions on Class 9 Maths - all those major reasons are discussed below:

To Prepare for the Board Examination: For many years CBSE board is asking case-based questions to the Class 9 Maths students, therefore, it is important to solve Statistics Case study questions as it will help better prepare for the Class 9 board exam preparation.
Develop Problem-Solving Skills: Class 9 Maths Statistics case study questions require students to analyze a given situation, identify the key issues, and apply relevant concepts to find out a solution. This can help CBSE Class 9 students develop their problem-solving skills, which are essential for success in any profession rather than Class 9 board exam preparation.
Understand Real-Life Applications: Several Statistics Class 9 Maths Case Study questions are linked with real-life applications, therefore, solving them enables students to gain the theoretical knowledge of Statistics as well as real-life implications of those learnings too.

How to Answer Case Study Questions on Statistics?

Students can choose their own way to answer Case Study on Statistics Class 9 Maths, however, we believe following these three steps would help a lot in answering Class 9 Maths Statistics Case Study questions.

Read Question Properly: Many make mistakes in the first step which is not reading the questions properly, therefore, it is important to read the question properly and answer questions accordingly.
Highlight Important Points Discussed in the Clause: While reading the paragraph, highlight the important points discussed as it will help you save your time and answer Statistics questions quickly.
Go Through Each Question One-By-One: Ideally, going through each question gradually is advised so, that a sync between each question and the answer can be maintained. When you are solving Statistics Class 9 Maths case study questions make sure you are approaching each question in a step-wise manner.

What to Know to Solve Case Study Questions on Class 9 Statistics?

A few essential things to know to solve Case Study Questions on Class 9 Statistics are -

Basic Formulas of Statistics: One of the most important things to know to solve Case Study Questions on Class 9 Statistics is to learn about the basic formulas or revise them before solving the case-based questions on Statistics.
To Think Analytically: Analytical thinkers have the ability to detect patterns and that is why it is an essential skill to learn to solve the CBSE Class 9 Maths Statistics case study questions.
Strong Command of Calculations: Another important thing to do is to build a strong command of calculations especially, mental Maths calculations.

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