(A) 1/3
(B) 2/3
(C) 1/8
(D) 2/9
The answer is: (D) 2/9
Category: Statistics MCQs FPSC NTS PPSC Past Papers Test Questions
Statistics MCQs quiz test questions with answers for FPSC CSS NTS PPSC SPSC KPPSC test preparation, including questions from statistics past papers. Basic statistics and probability MCQ solved questions and answers.
Which of the following is the correct AM, GM, HM relation ?
The answer is: (A) AM ≥ GM ≥ HM
In constructing a triangle, a person has _____ degree(s) of freedom in selecting angles.
(A) 0
(B) 1
(C) 2
(D) 3
The answer is: (C) 2
The range of Chi-square distribution is
(A) from negative infinity to positive infinity
(B) from negative infinity to 0
(C) from 0 to positive infinity
(D) from 0 to 1
The answer is: (C) from 0 to positive infinity
0! = ?
(A) 0
(B) 1
(C) 10
(D) infinity
The answer is: (B) 1
For what value of A the function
(A) 3
(B) 4
(C) 5
(D) 6
The answer is: (A) 3
If k denotes the degree of freedom, then the variance of Chi-square distribution is
(A) k/2
(B) k – 1
(C) k – 2
(D) 2k
The answer is: (D) 2k
The mean and variance of the standard normal distribution is _____ and _____ respectively.
(A) 0, 1
(B) -1, 1
(C) -1, 0
(D) 1, 0
The answer is: (A) 0, 1
The probability of an event ranges between
(A) 0 and 1
(B) -1 and 1
(C) -1 and 0
(D) 1 and 100
The answer is: (A) 0 and 1
The value of a correlation coefficient ranges between
(A) 0 and 1
(B) -1 and 1
(C) -1 and 0
(D) 1 and 100
The answer is: (B) -1 and 1