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Olympiad Test: Data Handling - 2 - Class 7 MCQ


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10 Questions MCQ Test Mathematics Olympiad Class 7 - Olympiad Test: Data Handling - 2

Olympiad Test: Data Handling - 2 for Class 7 2024 is part of Mathematics Olympiad Class 7 preparation. The Olympiad Test: Data Handling - 2 questions and answers have been prepared according to the Class 7 exam syllabus.The Olympiad Test: Data Handling - 2 MCQs are made for Class 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Data Handling - 2 below.
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Olympiad Test: Data Handling - 2 - Question 1

What is the mode of the given data 16, 20, 8, 17, 27, 34, 28, 32, 27, 15, 27, 54, 42.

Detailed Solution for Olympiad Test: Data Handling - 2 - Question 1

Mode = 27, as it occurs 3 times. 

Olympiad Test: Data Handling - 2 - Question 2

If the mean of the given data 16, 24, x, 34, 35, 25, 37, 42, 47, is 32. What is the value of x?

Detailed Solution for Olympiad Test: Data Handling - 2 - Question 2


= 32 
⇒ 260 + x = 288 ⇒ x = 288 – 260 = 28

Olympiad Test: Data Handling - 2 - Question 3

The heights of nine players of a team are 165cm, 168cm, 170cm, 174cm, 182cm, 160cm, 171cm, 173cm, 164cm. Find the median.

Detailed Solution for Olympiad Test: Data Handling - 2 - Question 3

The height in ascending order are 160, 164, 165, 168, 170, 171, 173, 174, 182.
n = 9, which is odd.

Olympiad Test: Data Handling - 2 - Question 4

What is the mean of the following data.

Detailed Solution for Olympiad Test: Data Handling - 2 - Question 4

Mean =

Olympiad Test: Data Handling - 2 - Question 5

What is the median of the following data

Detailed Solution for Olympiad Test: Data Handling - 2 - Question 5


N = 50
N = 50, which is even.

Olympiad Test: Data Handling - 2 - Question 6

The ages in years of 15 teachers of a school are 41, 32, 51, 43, 24, 38, 49, 56, 42, 28, 37, 48, 45, 47, 50. What is the range of ages of teachers?

Detailed Solution for Olympiad Test: Data Handling - 2 - Question 6

The ages in the ascending order are 24, 28, 32, 37, 38, 41, 42, 43, 45, 47, 48, 49, 50, 51, 56, 
Range = 56 – 24 = 32

Olympiad Test: Data Handling - 2 - Question 7

A batsman scored the following number of runs in 8 innings. What is the arithmetic mean? 59, 36, 57, 35, 60, 55, 46, 50.

Detailed Solution for Olympiad Test: Data Handling - 2 - Question 7

Arithmetic Mean

Olympiad Test: Data Handling - 2 - Question 8

Following are the margins of victory in the football matches of a league.
1, 3, 2, 5, 1, 4, 6, 2, 5, 2, 2, 2, 4, 1, 2, 3, 1, 1, 
2, 3, 2, 6, 4, 3, 2, 1, 1, 4, 2, 1, 5, 3, 3, 2, 3, 2, 
4, 2, 1, 2.

What is the mode of this data?

Detailed Solution for Olympiad Test: Data Handling - 2 - Question 8

The frequency of 2 is highest. So, mode = 2

Olympiad Test: Data Handling - 2 - Question 9

The scores in physics test (out of 100) of 15 students is as follows: 19, 42, 68, 27, 36, 48, 78, 38, 12, 17, 61, 65, 47, 84, 39.

What is the median of this data?

Detailed Solution for Olympiad Test: Data Handling - 2 - Question 9

The marks in ascending order are
12, 17, 19, 27, 36, 38, 39, 42, 47, 48, 61, 65, 68, 78, 84.
n = 15, which is odd.

Olympiad Test: Data Handling - 2 - Question 10

What is the mode of this following data 12,
14, 12, 16, 15, 13, 14, 18, 19, 12, 14, 15, 16,
15, 16, 16, 15. 17, 13, 16, 16, 15, 15, 13, 15,
17, 15, 14, 15, 13, 15, 14.

Detailed Solution for Olympiad Test: Data Handling - 2 - Question 10

Mode = 15

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