Business Statistics And Research Methods - Study Mode
[#646] Which of the following distribution tends to standard normal distribution as the degree of freedom increases?
Correct Answer
(D) T-statistics
[#647] A measure of central tendency is:
Correct Answer
(A) Mode
[#648] Which of the following is not a method of collecting primary data?
Correct Answer
(C) National publications
[#649] Which of the following sampling methods is a probability sample?
Correct Answer
(B) Simple random sample
[#650] Which of the following relating to normal distribution are not correct? (i) Co-efficient of skewness is three. (ii) It is mesokurtic. (iii) Mean deviation for it is $$frac{2}{3}$$σ. (iv) µ ± 2σ covers 94.45% area. (v) Mean, median and mode are equal. (vi) The standard normal variate z has mean one and SD zero.
Correct Answer
(A) (i), (iii) and (vi)