MCQs Questions for Class 9 Maths Chapter 14 Statistics

# MCQs Questions for Class 9 Maths Chapter 14 Statistics

MCQs Questions for Class 9 Maths Chapter 14 Statistics

In this 21st century, Multiple Choice Questions (MCQs) play an important role to prepare for a competitive examination. Now-a-days, MCQs questions are asked in CBSE board examinations as well. In most of the competitive examinations, only MCQ Questions are asked.

In future, if you want to prepare for competitive examination, then you should focus on the MCQs questions. Thus, let’s solve these MCQs questions to make our foundation strong.

In this post, you will find 20 MCQs questions for class 9 maths chapter 14 statistics.

MCQs Questions for Class 9 Maths Chapter 14 Statistics

1. The range of the data:
27, 84, 20, 25, 16, 6, 17, 15, 12, 30, 32, 10, 91, 8, 13, 28 is:
(a) 10
(b) 83
(c) 85
(d) 26

2. The ratio of sum of observations and total number of observations is called:
(a) Mean
(b) Median
(c) Mode
(d) Central tendency

## 3. In a frequency distribution, the mid value of a class is 10 and the width of the class is 6. The upper limit of the class is:

(a) 6
(b) 7
(c) 10
(d) 13

4. The class mark of the class 90 – 130 is:
(a) 90
(b) 105
(c) 115
(d) 110

5. The mean of x + 2, x + 3, x + 4 and x – 2 is:
(a) (x + 7)/4
(b) (2x + 7)/4
(c) (3x + 7)/4
(d) (4x + 7)/4

## 6. The mode of the given data: 4, 6, 5, 9, 3, 2, 7, 7, 6, 5, 4, 9, 10, 10, 3, 4, 7, 6, 9, 9 is:

(a) 7
(b) 9
(c) 10
(d) 6

7. The width of each of five continuous classes in a frequency distribution is 5 and the lower class-limit of the lowest class is 10. The lower class-limit of the highest class is:
(a) 15
(b) 30
(c) 35
(d) 40

8. The median of the data: 155, 160, 145, 149, 150, 147, 152, 144, 148 is
(a) 149
(b) 150
(c) 147
(d) 144

## 9. In the class intervals 10 – 20, 20 – 30, the number 20 is included in:

(a) 10 20
(b) 20 30
(c) both the intervals
(d) none of these intervals

10. The class marks of a frequency distribution are given as follows:
15, 20, 25, …
The class corresponding to the class mark 15 is:
(a) 12.5 – 17.5
(b) 17.5 – 22.5
(c) 18.5 – 21.5
(d) 19.5 – 20.5

11. The mode of the given data: 4, 6, 5, 9, 3, 2, 7, 7, 6, 5, 4, 9, 10, 10, 3, 4, 7, 6, 9, 9 is:
(a) 7
(b) 9
(c) 10
(d) 6

## 12. The mean of the data: 2, 3, 4, 5, 0, 1, 3, 3, 4, 3 is:

(a) 2
(b) 2.2
(c) 2.4
(d) 2.8

13. A grouped frequency distribution table with classes of equal sizes using 63-72 (72 included) as one of the class is constructed for the following data:
30, 32, 45, 54, 74, 78, 108, 112, 66, 76, 88, 40, 14, 20, 15, 35, 44, 66, 75, 84, 95, 96, 102, 110, 88, 74, 112, 14, 34, 44.
The number of classes in the distribution will be:
(a) 9
(b) 10
(c) 11
(d) 12

## 14. The range of the data: 25, 81, 20, 22, 16, 6, 17,15,12, 30, 32, 10, 91, 8, 11, 20 is:

(a) 10
(b) 75
(c) 85
(d) 26

15. The mean of five numbers is 30. If one number is excluded, their mean becomes 28. the excluded number is:
(a) 28
(b) 30
(c) 35
(d) 38

## 16. Let m be the mid-point and l be the lower class limit of a class in a continuous frequency distribution. The upper class limit of the class is:

(a) 2m + l
(b) 2m – l
(c) m – l
(d) m – 2l

17. If each observation of the data is increased by 5, then their mean
(a) remains the same
(b) becomes 5 times the original mean
(c) is decreased by 5
(d) is increased by 5

## 18. The minimum value of a data is 82 and range is 38, then the maximum value is

(a) 60
(b) 76
(c) 82
(d) 120

19. The median of the data: 78, 56, 22, 34, 45, 54, 39, 68, 54, 84 is:
(a) 45
(b) 49.5
(c) 54
(d) 56