(A) Zero
(B) Maximum
(C) Least
(D) None
Category: Statistics Mcqs
Explore a comprehensive collection of Statistics Multiple Choice Questions (MCQs) designed to test your knowledge and enhance your understanding. Our curated database covers a wide range of statistical concepts, providing a valuable resource for students, educators, and professionals. Practice Statistics MCQs to sharpen your skills and excel in your studies or career. Start mastering statistics today!
Lowest value of variance can be__.
(A) 1
(B) -1
(C) 3
(D) 0
Variance remains unchanged by change of__.
(A) Origin
(B) Scale
(C) Both
(D) None of these
If a and b are two constants, then Var(a+bX) is__.
(A) a±bVar(X)
(B) Var(a)±Var(X)
(C) ±bVar(X)
(D) b2Var(X)
Standard deviation is calculated from the Harmonic Mean (HM) __.
(A) Always
(B) Sometimes
(C) Never
(D) None of these
If X and Y are independent then SD (X − Y) is__.
(A) SD(X)−SD(Y)
(B) SD(X)+SD(Y)
(C) SD(X)+SD(Y)−−−−−−−−−−−−−−√
(D) Var(X)+Var(Y)−−−−−−−−−−−−−−−√
If the standard deviation of the values 2, 4, 6, 8 is 2.58, then the standard deviation of the values 4, 6, 8, 10 is__.
(A) 0
(B) 2.58
(C) 5
(D) 4.66
If all values are same then the measure of dispersion will be__.
(A) 1
(B) 0
(C) Mean
(D) Mode