Data Handling Test

Result

Data Handling Test - 3

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
1 / -0

Heights (in cm) of different students of a class are:

170, 169, 169, 168, 171, 170, 168, 169, 166

Which of the following is true?

A
Mean = Median

B
Median = Mode

C
Median < Mean

D
Median > Mode

Solution

Total height of all the students = 170 + 169 + 169 + 168 + 171 + 170 + 168 + 169 + 166 = 1520
Mean = 1520 ÷ 9 = 168.89 cm

Arranging the data in ascending order, we get:
166, 168, 168, 169, 169, 169, 170, 170, 171

Median = Value exactly in the middle after arranging in ascending order = 169 cm
Mode is the observation that occurs most frequently, that is, 169 cm.

Question 2

1 / -0

Directions For Questions

Study the given information and answer the following question.

The table below shows the sales of chocolates of different brands by different stores:

Store	Dairy Milk	5 Star	Kit Kat
Store A	52	26	41
Store B	26	42	36
Store C	58	19	23
Store D	45	32	58
Store E	65	45	52
Store F	25	34	37

...view full instructions

What is the difference between the total number of chocolates sold by store D and the total number of chocolates sold by store C?

30

35

23

33 Solution

Total number of chocolates sold by store C = 58 + 19 + 23 = 100
Total number of chocolates sold by store D = 45 + 32 + 58 = 135
Therefore, required difference = 135 – 100 = 35