If you’re looking for a way to enhance your Class 9 Maths, then look no further than the NCERT MCQ Questions for Class 9 Maths Chapter 14 Statistics with Answers. MCQ Questions for Class 9 Maths with Answers is perfect for those who are in Class 9 Maths and want to get ahead of everyone else by mastering the subject skills as soon as possible! Go ahead and find Class 9 Maths Chapter 14 Statistics Objective Questions.
Statistics Class 9 MCQs Questions with Answers
Solving MCQ on Statistics Multiple Choice Questions of Class 9 Maths with Answers can be of great help to students as they will be aware of all the concepts. These Class 9 Maths Chapter 14 MCQ with Answers pave for a quick revision, thereby helping you learn more about this subject.
Question 1.
The minimum value o a data is 82 and range is 38, then the maximum value is
(a) 60
(b) 76
(c) 82
(d) 120
Answer
Answer: (d) 120
Question 2.
In a grouped frequency distribution, the class intervals are 0-10, 10-20, 20-30, .., then the class width is
(a) 10
(b) 15
(c) 20
(d) 30
Answer
Answer: (a) 10
Question 3.
Which of the following variables are discrete?
- Size of shoes
- Number of pages in a book
- Distance travelled by a train
- Time
(a) 1 and 2
(b) 1 and 4
(c) 1 and 3
(d) 2 and 4
Answer
Answer: (a) 1 and 2
Question 4.
Class mark of a class interval U-L is
(a) U+\(\frac { L }{ 2 }\)
(b) U-\(\frac { L }{ 2 }\)
(c) U-L
(d) 2(U+L)
Answer
Answer: (a) U+\(\frac { L }{ 2 }\)
Question 5.
Which of the following is not a measure of central tendency?
(a) Standard deviation
(b) Mean
(c) Median
(d) Mode
Answer
Answer: (a) Standard deviation
Question 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
Answer
Answer: (b) 9
Question 7.
Given the class intervals 1-10, 11-20, 21-30, ___, then 20 is considered in class
(a) 11-30
(b) 11-20
(c) 21-30
(d) 15-25
Answer
Answer: (b) 11-20
Question 8.
A student collects information about the number of school going children in a locality consisting of a hundred households. The data collected by him is
(a) Arrayed data
(b) Primary data
(c) Secondary data
(d) Grouped data
Answer
Answer: (b) Primary data
Question 9.
One of the sides of a frequency polygon is
(a) either of the coordinate axes
(b) the x-axis
(c) neither of the coordinate axes
(d) the y-axis
Answer
Answer: (b) the x-axis
Question 10.
In order to draw a frequency polygon by using a histogram, which of the following statements is incorrect?
(a) Obtain the mid-points of three class- intervals of highest frequency on Y-axis, one adjacent to the first on its right and one adjacent to the last, on its left.
(b) Obtain the frequency distribution and draw a histogram representing it.
(c) Join these mid-points of the adjacent rectangles of the histogram by dotted line
(d) Obtain the mid points of the upper horizontal side of each rectangle.
Answer
Answer: (a) Obtain the mid-points of three class- intervals of highest frequency on Y-axis, one adjacent to the first on its right and one adjacent to the last, on its left.
Question 11.
The mean of five observations is 15. If the mean of first three observations is 14 and that of last three is 17, then the third observation is
(a) 29
(b) 31
(c) 32
(d) 18
Answer
Answer: (d) 18
Question 12.
Mode of a set of observations is the value which
(a) is the sum of the observations
(b) occurs most frequently
(c) is the mean of the middle two observations
(d) divides the observations into two equal parts
Answer
Answer: (b) occurs most frequently
Question 13.
The mean for counting numbers through 100 is
(a) 47.5
(b) 51
(c) 50.5
(d) 49.5
Answer
Answer: (c) 50.5
Question 14.
The maximum frequency 10 is for the observation 4. Hence the mode of the data is
(a) 2
(b) 10
(c) 3
(d) 4
Answer
Answer: (d) 4
Question 15.
The collection of information, collected for a purpose is called:
(a) Mean
(b) Median
(c) Mode
(d) Data
Answer
Answer: (d) Data
Question 16.
Find median of following data: 83, 37, 70, 29, 45, 63, 41, 70, 34, 54
(a) 51
(b) 25
(c) 49.5
(d) 47
Answer
Answer: (c) 49.5
Question 17.
Class size for the following distribution: 0 – 0.25, 0.25 – 0.50, 0.50 – 0.75 is
(a) 10
(b) 0. 25
(c) 50
(d) 2.5
Answer
Answer: (b) 0. 25
Question 18.
In an examination, ten students scored the following marks: 60, 58, 90, 51, 47, 81, 70, 95, 87, 99. The range of this data is
(a) 52
(b) 51
(c) 81
(d) 60
Answer
Answer: (a) 52
Question 19.
Out of sixteen observations arranged in ascending order, the 8th and 9th observations are 25 and 27. Then, the median is
(a) 26
(b) 27
(c) 25
(d) 26.5
Answer
Answer: (a) 26
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