Business Statistics And Research Methods - Study Mode

[#346] Arithmetic mean and harmonic mean includes all values of the data set in its calculation.
Correct Answer

(A) True

[#347] Regression lines intersect to each other
Correct Answer

(A) The point of the mean of X and Y

[#348] Addition theorem states that if two events A and B are mutually exclusive the probability of occurrence of either A or B is given by:
Correct Answer

(A) P(A) + P(B)

[#349] Mention the correct answers: The ranks according to two attributes in a sample are given below: R 1 1 2 3 4 5 R 2 5 4 3 2 1 The rank correlation between them is
Correct Answer

(C) -1

[#350] Which one of the following index satisfies both time reversal and factor reversal test?
Correct Answer

(B) Fisher's index number