• #### 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.

Unique pattern

• Topic wise:Statistics preparation in the form of QUESTION & ANSWER.
• Evaluate preparation by doing ONLINE TEST of Class 9, Maths,Statistics.
• Review performance in PRACTICE TEST and do further learning on weak areas.
• Attempt repeat ONLINE TESTS of Maths Statistics till you excel.
• Evaluate your progress by doing ONLINE MOCK TEST of Class 9, Maths, All TOPICS.

a)

3

b)

6

c)

7

d)

5

a)         29
b)         27
c)         23
d)         25

a)         4.5
b)         5.6
c)         6.2
d)         6.5

a)         2m-l
b)         2m+l
c)         m-l
d)         m+l

##### If the mean of the observations x,x+3,x+5,x+7,x+10 is 9, the mean of the last three observations is

a)         10 2/3
b)         10 1/3
c)         11 1/3
d)         11 2/3

a)         16
b)         17
c)         14
d)         15

a)         35
b)         50
c)         46
d)         62

##### If each observation of the data is increased by 5, then their mean

a)         is increased by 5
b)         becomes 5 times the original mean
c)         is decreased by 5
d)        remains the same

a)         25
b)         30
c)         27.5
d)         22.5

a)         85
b)         78
c)         75.5
d)         67.5

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