Business Statistics And Research Methods - Study Mode
[#226] Index for base period is always taken as
Correct Answer
(B) 100
[#227] Assertion (A) Range is not useful to manager for comparison, if the observations are in different units. Reason (R) For the purpose of comparison a relative measure of range is required which is called coefficient of range.
Correct Answer
(A) Both (A) and (R) are true
[#228] Which of the following statements are true for a standard normal curve? 1. Standard normal curve is symmetrical. 2. Standard normal curve is non-symmetrical.
Correct Answer
(A) Only 1
[#229] Which of the following test are used for dealing with the problem of small samples?
Correct Answer
(C) Both A and B
[#230] Whenever the data is related to speed distance and time, their best average will be
Correct Answer
(D) Harmonic mean