Business Statistics and Research Methods MCQs

Which one of the following is a formula of Karl Pearson's coefficient correlation?

Match the items of List-I with the items of List-II and indicate the option of correct matching: List-I List-II a. Contingency coefficient for any size of contingency table 1. $$\sqrt {\frac{{N - n}}{{N - 1}}} $$ b. Statistical approach to decide size of a sample 2. $$\frac{{{\sigma _p}}}{{\sqrt n }}$$ c. Finite population multiplier 3. $$\sqrt {\frac{{{x^2}}}{{{x^2} + n}}} $$ d. Standard error of mean 4. $$\frac{{{Z^2}.\sigma _p^2}}{{{e^2}}}$$

It is suitable to use Binomial Distribution only for:

The probability that at least one of the events M and N occur is 0.6. If M and N have probability of occurring together as 0.2, then P(M) + P(N) is:

Which of the following is not applicable in the series of non-probability sampling method?

What does the term 'longitudinal design' mean?

Time series is related to:

Which one of the following is not probability sampling method?

Which of the following is the most common example of a situation for which the main parameter of interest is a population proportion?