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Test: Statistics- 2


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20 Questions MCQ Test Mathematics (Maths) Class 9 | Test: Statistics- 2

Test: Statistics- 2 for Class 9 2022 is part of Mathematics (Maths) Class 9 preparation. The Test: Statistics- 2 questions and answers have been prepared according to the Class 9 exam syllabus.The Test: Statistics- 2 MCQs are made for Class 9 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Statistics- 2 below.
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Test: Statistics- 2 - Question 1

A student collects information about the number of school going children in a locality consisting of a hundred households. The data collected by him is

Test: Statistics- 2 - Question 2

To analyse the election results, the data is collected from a newspapers. The data thus collected is known as

Test: Statistics- 2 - Question 3

Which of the following variables are discrete ? 1. Size of shoes, 2. Number of pages in a book, 3. Distance travelled by a train, 4. Time

Test: Statistics- 2 - Question 4

For a given data, the difference between the maximum and minimum observation is known as its

Test: Statistics- 2 - Question 5

In an examination, ten students scored the following marks: 60, 58, 90, 51, 47, 81, 70, 95, 87, 99. The range of this data is

Test: Statistics- 2 - Question 6

The range of the data 20, 8, 20, 18, 16, 15, 30, 12, 22, 6, 11, 17, 25, 32, 10, 19 is

Test: Statistics- 2 - Question 7

A data is such that its maximum value is 75 and range is 20, then the minimum value is

Detailed Solution for Test: Statistics- 2 - Question 7

Let minimum value be x ,
So,
75 - x = 20
x = 75 - 20
x = 55

Test: Statistics- 2 - Question 8

The minimum value o a data is 82 and range is 38, then the maximum value is

Test: Statistics- 2 - Question 9

In a grouped frequency distribution, the class intervals are 0-10, 10-20, 20-30, .., then the class width is

Test: Statistics- 2 - Question 10

In a grouped frequency distribution, the class intervals are 1-20, 21-40, 41-60, . . , then the class width is

Test: Statistics- 2 - Question 11

Class size of a distribution having 28, 34, 40, 46 and 52 as its class marks is

Test: Statistics- 2 - Question 12

Given the class intervals 0-10, 10-20, 20-30,…, then 10 is considered in class

Test: Statistics- 2 - Question 13

Given the class intervals 1-10, 11-20, 21-30, …, then 20 is considered in class

Test: Statistics- 2 - Question 14

The class mark of the class interval 2.4-6.6 is

Test: Statistics- 2 - Question 15

The class marks of a frequency distribution are as given below: 38, 43, 48, 53, 58. The class corresponding to the class mark 43 is

Test: Statistics- 2 - Question 16

Class mark of a particular class is 9.5 and the class size is 6, then the class interval is

Test: Statistics- 2 - Question 17

The class size of a distribution is 25 and the first class interval is 200-224. Then, the class marks of first two class intervals are

Test: Statistics- 2 - Question 18

In a frequency distribution, the mid-value of a class is 60.5 and the width of the class is 10. The lower limit of the class is

Test: Statistics- 2 - Question 19

The width of each of five continuous classes in a frequency distribution is 5 and the lower class limit of the lowest class is 10. The upper class limit of the highest class is

Test: Statistics- 2 - Question 20

In a bar graph, 0.25 cm length of a bar represents 100 people. Then, the length of bar which represents 2000 people is

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