Statistics Test

Result

Statistics Test - 5

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following options is the mode of 3, 14, 23, 4, 4, 23, 14, 3, 3, 12 and 11?

A
3

B
20

C
23

D
11

Solution

After arranging the data in ascending order, we get 3, 3, 3, 4, 4, 11, 12, 14, 14, 23, 23.

Number 3 occurs most frequently (thrice) in the given data.

⇒ Mode of the given data = 3
Question 2
1 / -0

Which of the following options is the mode of 11, 9, 16, 23, 16, 19, 31, 32 and 7?

A
7

B
9

C
11

D
16

Solution

After arranging the given data in ascending order, we get:
7, 9, 11, 16, 16, 19, 23, 31, 32
The mode of the given data is 16 as it occurs most frequently, i.e. twice in the given data.
Question 3
1 / -0

The mean and the median of a certain set of observations are 'a' and 'b' respectively. What is its mode?

A
3a – 2b

B
2a – 3b

C
3b – 2a

D
2b – 3a

Solution

Mode = 3 Median – 2 Mean
= 3b – 2a (Given, Median = b and Mean = a)