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  • Quantitative Aptitude Practice Statistics Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of Statistics Statistics for Quantitative Aptitude Practice student. This free online Statistics study material for Quantitative Aptitude Practice will help students in learning and doing practice on Statistics topic of Quantitative Aptitude Practice Statistics. The study material on Statistics, help Quantitative Aptitude Practice Statistics students to learn every aspect of Statistics and prepare themselves for exams by doing online test exercise for Statistics, as their study progresses in class. Kidsfront provide unique pattern of learning Statistics with free online comprehensive study material and loads of Quantitative Aptitude Practice Statistics Statistics exercise prepared by the highly professionals team. Students can understand Statistics concept easily and consolidate their learning by doing practice test on Statistics regularly till they excel in Statistics Statistics.


Statistics
Choose the arithmetic mean of first n natural numbers.

a) N/2
b) N+1/2
c) (n+1)/2
d) 2n+1/2



Answer
Correct Answer Is : (n+1)/2
Solution Is :
Find the mean of a grouped data where F29=162 for 20 number of persons.

a) 182
b) 18.2
c) 8.1
d) 6.1



Answer
Correct Answer Is : 8.1
Solution Is :
Find the l if the median class is 40-60

a) 40
b) 50
c) 60
d) 45



Answer
Correct Answer Is : 40
Solution Is :
If the mean and mode of a grouped data is 5.5 and 7.5 the calculate the Median.

a) 5.17 approx.
b) 6.17 approx.
c) 7.17 approx.
d) 8.17 approx.



Answer
Correct Answer Is : 6.17 approx.
Solution Is :
Check whether the empirical relation between Mean, Mode and median is Median = 3*mode+2*mean

a) TRUE
b) FALSE
c) Some extent
d) All of these



Answer
Correct Answer Is : FALSE
Solution Is :
What can we determine from the interaction of less than type and more than type of ogive.

a) Mean
b) Median
c) Mode
d) All of these



Answer
Correct Answer Is : Median
Solution Is :
The _____ of the point of interaction of the 2 ogives on the same axis give median.

a) Tendency
b) Abscissa
c) Mode
d) Mean



Answer
Correct Answer Is : Abscissa
Solution Is :
What is the method used for finding mean of grouped data.

a) Direct method
b) Step deviation method
c) Assumed mean method
d) All of these



Answer
Correct Answer Is : All of these
Solution Is :
Find the mean of 44,34,25,64,7,89,23,34?

a) 30
b) 40
c) 50
d) 60



Answer
Correct Answer Is : 40
Solution Is :

The mean no. of days a student remains absent is 12.47 approx. from 40 student of a school. Find the ∑fiui ?


a) 300
b) 299
c) 400
d) 399



Answer
Correct Answer Is : 399
Solution Is :
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