Learn Maths Statistics, Class 9 Maths Statistics Exercise, Free Online Statistics Lessons

Class 9 Maths Study Material

An Educational platform for Preparation and Practice Class 9. Kidsfront provide unique pattern of learning Maths with free online comprehensive study material in the form of QUESTION & ANSWER for each Chapter of Maths for Class 9. This study material help Class 9, Maths students in learning every aspect of Statistics. Students can understand Statistics concept easily and consolidate their learning by doing Online Practice Tests on Maths,Statistics chapter repeatedly till they excel in Class 9, Statistics. Free ONLINE PRACTICE TESTS on Class 9, Statistics comprise of Hundreds of Questions on Statistics, prepared by the highly professionals team. Every repeat test of Statistics will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Statistics. Attempt ONLINE TEST on Class 9,Maths,Statistics in Academics section after completing this Statistics Question Answer Exercise.

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Statistics

Facts or information collected with a definite purpose is called

a) Median
b) Data
c) Bar chart
d) Histogram

✔Answer

Correct Answer Is : Data

Solution Is :

When the information is gathered from a source which already has the information stored, then the data is called

a)         Fictitious data
b)         Primary data
c)         Secondary data
d)        Useless data

✔Answer

Correct Answer Is : Secondary data

Solution Is :

Class mark equals to

a)         Lower limit+upper limit/2
b)         Lower limit+upper limit
c)         Upper limit-lower limit
d)         Upper limit-lower limit/2

✔Answer

Correct Answer Is : Lower limit+upper limit/2

Solution Is :

The lower limit of 45-51 is

a)         55
b)         40
c)         45
d)         51

✔Answer

Correct Answer Is : 45

Solution Is :

In the following frequency distribution, the number of students of age less than 25 years is

a)         22
b)         19
c)         30
d)         26

✔Answer

Correct Answer Is : 26

Solution Is :

If the range of distribution is 60 and the class interval is 10, then the number of classes is

a)         5
b)         6
c)         7
d)         9

✔Answer

Correct Answer Is : 6

Solution Is :

Range of the following data is 54,36,96,42,38,64,72,36,68,46

a)         46
b)         50
c)         60
d)         34

✔Answer

Correct Answer Is : 60

Solution Is :

In the distribution, the frequency of the class 3-5 is 4,8,3,6,7,2,3,5,9,4,6,5,5

a)         3
b)         7
c)         4
d)         5

✔Answer

Correct Answer Is : 4

Solution Is :

In the following frequency table, the upper limit of the fifth class is

a)         Rs 445
b)         Rs 410
c)         Rs 375
d)         Rs 480

✔Answer

Correct Answer Is : Rs 445

Solution Is :

The class mark of a class 130-180 is equal to

a)         150
b)         155
c)         165
d)         170

✔Answer

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Class 9 Maths Study Material

Statistics

Facts or information collected with a definite purpose is called

Correct Answer Is : Data

Solution Is :

When the information is gathered from a source which already has the information stored, then the data is called

Correct Answer Is : Secondary data

Solution Is :

Class mark equals to

Correct Answer Is : Lower limit+upper limit/2

Solution Is :

The lower limit of 45-51 is

Correct Answer Is : 45

Solution Is :

In the following frequency distribution, the number of students of age less than 25 years is

Correct Answer Is : 26

Solution Is :

If the range of distribution is 60 and the class interval is 10, then the number of classes is

Correct Answer Is : 6

Solution Is :

Range of the following data is 54,36,96,42,38,64,72,36,68,46

Correct Answer Is : 60

Solution Is :

In the distribution, the frequency of the class 3-5 is 4,8,3,6,7,2,3,5,9,4,6,5,5

Correct Answer Is : 4

Solution Is :

In the following frequency table, the upper limit of the fifth class is

Correct Answer Is : Rs 445

Solution Is :

The class mark of a class 130-180 is equal to

Correct Answer Is : 155

Solution Is :

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