Business Statistics And Research Methods - Study Mode
[#541] A sampling frame is:
Correct Answer
(C) a list of all the units in the population from which a sample will be selected
[#542] The arithmetic mean of series 'A' is twice that of series 'B' and the standard deviation of series 'B' is twice that of series 'A'. The coefficient of variation of series 'A' in relation to that of series 'B' will be
Correct Answer
(A) $$frac{1}{4}$$
[#543] The recurrence relation between P(x) and P(x +1) in a Poisson distribution is given by
Correct Answer
(C) (x + 1)P(x + 1) - mP(x) = 0
[#544] The coefficient of correlation is always-
Correct Answer
(C) lies between -1 and +1
[#545] If a measure characterizing a population is called a parameter then a similar measure of a sample is called:
Correct Answer
(D) Statistic