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14. Statistics MATHEMATICS class 9 in English Medium ncert book solutions Exercise 14.4
14. Statistics Exercise 14.4 – Complete NCERT Book Solutions for Class 9 Mathematics (English Medium). Get all chapter explanations, extra questions, solved examples and additional practice questions for 14. Statistics Exercise 14.4 to help you master concepts and score higher.
14. Statistics MATHEMATICS class 9 in English Medium ncert book solutions Exercise 14.4
NCERT Solutions for Class 9 Mathematics play an important role in helping students understand the concepts of the chapter 14. Statistics clearly. This chapter includes the topic Exercise 14.4, which is essential from both academic and examination point of view. The solutions provided here are prepared strictly according to the latest NCERT syllabus and follow the guidelines of CBSE to ensure accuracy and relevance. Each question is explained in a simple and student-friendly manner so that learners can grasp the concepts without confusion. These NCERT Solutions are useful for regular study, homework help, and exam preparation. All textbook questions are solved step by step to improve problem-solving skills and conceptual clarity. Students of Class 9 studying Mathematics can use these solutions to revise important topics, understand difficult questions, and practise effectively before examinations. The chapter 14. Statistics is explained in a structured way, making it easier for students to connect the theory with the topic Exercise 14.4. By studying these updated NCERT Solutions for Class 9 Mathematics, students can build a strong foundation, boost their confidence, and score better marks in school and board exams.
14. Statistics
Exercise 14.4
Important-Questions
Q1. Find the value of x if median of Data is 49.
32, 42, 45, x, x + 2, 53, 54, 56
Q2. Find the mode of the following data:
5, 7, 6, 5, 9, 8, 6, 7, 11, 10, 5, 7, 6, 8, 6, 9, 10.
Q3. If the arithmetic mean of 25, 30, 32, x, 43 is 34, then find the value of x.
Q4. The points scored by a basket-ball team in a series of matches are as follows:
17, 2, 7, 27, 25, 5, 14, 18 , 10, 24, 10, 8, 7, 10
Find mean, median and mode for the data.
Q5. Find the Mode of following data;
2, 3, 4, 5, 0, 1, 3, 3, 4, 3
Q6. The followings data are written in ascending orders. If the median of data is 14.5then find the value of x.
11, 12, 13, 7x, 7x + 1, 16, 16, 18, 20
Q7. Find the median of 34, 32, x, x-1, 19, 15, 11 where x is the mean of data
10, 20, 30, 40, 50.
Q8. If the mean of 10, 12, 18, 11, p and 19 is 15 then find the value of p and
also find the median.
Q10. What is the range for the given data
31, 32.5, 20.3, 27.9, 28, 19.7, 31.7.
Q11. Find the mode for the data given below
14, 25, 14, 28, 18, 17, 14, 23, 22, 14, 18.
Q12. If the mean of 6, 8, 5, 7, x and 4 is 7 then find the value of x.
Q13. Find the mean for
4, 3, 7, 0, 0, 6, 8.
Q14. Find the mode for the following :-
7, 9, 12, 13, 7, 12, 15, 7, 12, 7, 25, 18, 7.
Q15. If means of 1 x , 2 x is 6 and mean of 1 x , 2 x and 3 x is 7 then find 3 x .
Q16. If 3 is the mean for x, 3, 4, 5 then find the value of x.
Q17. What is the range of 40, 42, 80, 69, 56, 47?
Q18. The class marks are given below
47, 52, 57, 62, 67, 72, 77, 82
What is the class size?
Q19. Find the median :-
36, 39, 42, 48, 52, 68, 69, 71, 72, 78.
Q20. One student has scored the marks in five subject as below
70, 64, 56, 54, 51.
find the mean.
See other sub-topics of this chapter:
1. Exercise 14.1 2. Exercise 14.2 3. Exercise 14.3 4. Exercise 14.4