MCQ Questions for Class 9 Maths Chapter 14 Statistics with Answers
MCQs from Class 9 Maths Chapter 14 – Statistics are provided here to help students prepare for their upcoming Maths exam.
MCQs from CBSE Class 9 Maths Chapter 14: Statistics
1) The ratio of sum of observations and total number of observations is called:
a. Mean
b. Median
c. Mode
d. Central tendency
Answer/ Explanation
Answer: (a)
2) 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
Answer/ Explanation
Answer: (d)
Explanation: Mean = (x+2+x+3+x+4+x-2)/4 = (4x+7)/4
3) The median of the data: 4, 6, 8, 9, 11 is
a. 6
b. 8
c. 9
d. 11
Answer/ Explanation
Answer: (b)
4) The median of the data: 155 160 145 149 150 147 152 144 148 is
a. 149
b. 150
c. 147
d. 144
Answer/ Explanation
Answer: (a)
Explanation: First arrange the data in ascending order.
144 145 147 148 149 150 152 155 160
Since, the number of observations here is odd, therefore,
Median = (n+1)/2 th = (9+1)/2 = 10/2 = 5th number = 149
5) The median of the data: 17, 2, 7, 27, 15, 5, 14, 8, 10, 24, 48, 10, 8, 7, 18, 28 is:
a. 10
b. 24
c. 12
d. 8
Answer/ Explanation
Answer: (c)
Explanation: Arrange the given data in ascending order:
2, 5, 7, 7, 8, 8, 10, 10, 14, 15, 17, 18, 24, 27, 28, 48
Since, the number of observations givere here is even, hence,
Median will be average of two middle terms.
n/2th = 16/2 = 8th term
(n/2 +1)th = (16/2 + 1)th = 9th term
Therefore,
Median = (10+14)/2 = 12
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/ Explanation
Answer: (b)
Explanation: First arrange the data in order:
2, 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 9, 9, 9, 9, 10, 10
Hence, mode = 9
7) The value which appears very frequently in a data is called:
a. Mean
b. Median
c. Mode
d. Central tendency
Answer/ Explanation
Answer: (c)
8) The collection of information, collected for a purpose is called:
a. Mean
b. Median
c. Mode
d. Data
Answer/ Explanation
Answer: (d)
9) 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
Answer/ Explanation
Answer: (d)
Explanation: Mean = (2+3+4+5+0+1+3+3+4+3)/10 = 28/10 = 2.8
10) Which of the following is not a measure of central tendency?
a. Standard deviation
b. Mean
c. Median
d. Mode
Answer/ Explanation
Answer: (a)