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  • Class 11 Maths Study Material

An Educational platform for Preparation and Practice Class 11. 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 11. This study material help Class 11, 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 11, statistics. Free ONLINE PRACTICE TESTS on Class 11, 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 11,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 11, 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 11, Maths, All TOPICS.


statistics
The difference between upper and lower boundary of a class is called as _________

a) Class interval
b) Limit of the class
c) Primary and secondary data
d) Variable



Answer
Correct Answer Is : Class interval
Solution Is :
The mean deviation about the mean for the following data:

a) 3.3
b) 6.3
c) 9.5
d) 12.3



Answer
Correct Answer Is : 9.5
Solution Is :
The mean deviation of the following data 10,12,14,11,13

a) 1.3
b) 1.2
c) 1.5
d) 1.02



Answer
Correct Answer Is : 1.2
Solution Is :
If the standard deviation and mean of the data is 25 and 5, then the coefficient of variation of data is:

a) 500
b) 350
c) 300
d) 200



Answer
Correct Answer Is : 500
Solution Is :
If the coefficient of variation and standard deviation of the marks of class A is 60 and 20, and then the mean of runs of team A

a) 66.33
b) 66.66
c) 32.32
d) 33.33



Answer
Correct Answer Is : 33.33
Solution Is :
The starting and ending of each class is called as

a) Limit of the class
b) Class interval
c) Primary and secondary data
d) Variable



Answer
Correct Answer Is : Limit of the class
Solution Is :
The standard deviation for the following data 8,7, 5, 6, 4, 5,2, 8, 9, 5,7 is:

a) 1.36
b) 1.96
c) 1.35
d) 1.58



Answer
Correct Answer Is : 1.96
Solution Is :
The mean deviation about the mean for the following data:

a) 1.23
b) 1.52
c) 1.36
d) 1.28



Answer
Correct Answer Is : 1.52
Solution Is :
The mean deviation of the following data 1,2,3,4,5 is

a) 1.2
b) 1.3
c) 1.25
d) 1.6



Answer
Correct Answer Is : 1.2
Solution Is :
If the coefficient of variation and standard deviation of the marks of class A is 100 and 25, and then the mean of runs of team A

a) 30
b) 50
c) 25
d) 12



Answer
Correct Answer Is : 25
Solution Is :