A. 1.2.3.4,………
B. 1.2.3……(n-2) (n-1) (n)
C. n. (n-1) (n-2)…………..3.2.1.0
D. None of these
Related Mcqs:
- The variance of 5 numbers is 10. If each number is divided by 2, then the variance of new numbers is______________?
A. 20
B. 5
C. 2.5
D. 5.5
E. 0 - The mean of 10 numbers is 9, then sum of these numbers will be__________________?
A. 9
B. 0.9
C. 70
D 90 - The average of first n natural numbers is_______________?
A. n+12
B. n2
C. All of the above
D. None of these - The probability of even/odd numbers when a fair die is rolled is____________?
A. 1/6
B. 2/6
C. 1/36
D. 3/6 - Which of the following describe the middle part of a group of numbers ?
A. Measure of Variability
B. Measure of Central Tendency
C. Measure of Association
D. Measure of Shape - Arithmetic mean of two positive numbers “X” and “Y” is_________________?
A. ab2
B. 2a2
C. (a+b)/2
D. a−b2
E. 2a+b - The Harmonic Mean of any two numbers is________________?
A. a+b2
B. 2aba+b
C. ab−−√
D. a+b - Two digit random numbers are ________________?
A. 2
B. 10
C. 99
D. 100 - _________ are the numbers obtained by some random process?
A. Two- digit number take
B. Random table
C. Pack
D. Non of these - Random numbers are used for selection of ____________?
A. Random space
B. Space
C. Random sample
D. Non of these