Question Paper
Class / Subject: Class 9 (CBSE) · Mathematics
Chapter: Chapter 12 — Chapter 12: Statistics
Time Allowed: 15 minutes
Max Marks: 6
1. A table showing data grouped into class intervals is called a: [1]
(A) grouped frequency table
(B) bar graph
(C) pie chart
(D) pictograph
2. A histogram differs from a bar graph mainly because it: [1]
(A) represents continuous data with no gaps between bars
(B) always has gaps between bars
(C) is used only for categorical data
(D) cannot show frequency
3. A frequency polygon is formed by: [1]
(A) connecting the midpoints of each class interval's frequency
(B) connecting random points
(C) drawing only bars
(D) using only pie slices
4. The most frequently occurring value in a data set is called the: [1]
(A) mode
(B) mean
(C) median
(D) range
5. Find the mean of the data: 4,8,6,10,2. [1]
(A) 6
(B) 8
(C) 5
(D) 10
6. Which measure of central tendency is most affected by an extreme outlier value? [1]
(A) Mean
(B) Median
(C) Mode
(D) None are affected