MCQ
The mean of the data 2, 4, 6, 8, 10, 12 is:
Unit-11 Basic Statistics
A
6
B
7
C
8
D
9
Explanation
Sum = 42 and n = 6, so mean = 42/6 = 7.
Related MCQs
Variance is defined as the:
Unit-11 Basic Statistics
View
The class size (width) of the class interval 35-45 is:
Unit-11 Basic Statistics
View
The mode of the data 2, 3, 4, 4, 4, 5, 6, 7, 7 is:
Unit-11 Basic Statistics
View
To find the median of grouped data, the median class is the class whose cumulative frequency is just greater than or equal to:
Unit-11 Basic Statistics
View
In a pie chart, a sector with frequency 50 out of a total of 200 has a central angle of:
Unit-11 Basic Statistics
View
If the mean of 20 values is 12, the sum of all the values is:
Unit-11 Basic Statistics
View