Top 80+ Solved Fundamentals of Business Statistics MCQ Questions Answer
Q. The Standard Deviation for two observations is
a. square of their difference.
b. half of their absolute difference
c. their absolute difference
d. twice of their absolute difference
Q. A.M of 40 observations of a variable is 25 and S.D is 4. The sum of squares of allobservations is
a. 25640
b. 26540
c. 24560
d. 26450
Q. If A and B be two mutually exclusive events and P(A) = 3/4; P (A U B) = 5/6 then P(B) is
a. 2/3
b. 3/5
c. 5/12
d. 1/12
Q. The mean deviation of the observations 3, 5, 9, 1 and 2 about their median is
a. 2.4
b. 2.2
c. 3
d. 2.8