Statistics & Probability Quiz

What is the median of the following set of numbers: 3, 6, 8, 12, 5, 9?

• 6

• 7

• 8

• 9

If the difference of Mode and Median of a data is 24, then the difference of median and mean is

• 8

• 12

• 24

• 36

Assertion(A): Consider the following data:

The difference of the upper limit of the median class and the lower limit of the modal class is 20.

Reason(R): The median class and modal class of grouped data always be different

• Both (A) and (R) are true and Reason (R)is the correct explanation of Assertion (A)

• Both (A) and (R) are true and Reason (R)is not the correct explanation of Assertion (A)

• Assertion (A) is true but Reason (R)is false

• Assertion (A) is false but Reason (R)is true

What is the range of the following data set: 15, 12, 18, 7, 10, 13, 20, 22?

• 15

• 14

• 13

• 16

What does the pie chart represent?

• Frequency distribution

• Cumulative frequency

• Percentages of a whole

• Median values

What is the mode of the following data set: 5, 6, 4, 8, 6, 9, 6, 7?

• 5

• 6

• 7

• 8

Which measure of central tendency is most affected by extreme values?

• Mean

• Median

• Mode

• Range

Class Mark of a class is obtained by using:

• (a) (upper limit – lower limit)/2

• (b) (upper limit + lower limit)/2

• (c) upper limit - lower limit

• (d) upper limit + lower limit

The mode of the call received on 7 consecutive day 11,13,13,17,19,23,25

• (a) 11

• (b) 13

• (c) 17

• (d) 23

Find the mean of the given distribution

• (a) 3

• (b) 8

• (c) 13

• (d) 24