2.
In using the T-test, we assume which of the following?

6.
Consider the following statements.
Statement-I: The heading for columns and rows are called caption and stub respectively.
Statement-II: Sturge's Rule is used to decide the nature of manifold classification.
Which of the following is correct?

7.
In case of business forecasting which of the following statements in not correct?

10.
Any sampling process which does not ensure some for each element in the population to be included in the sample would be non-probability sampling or sampling.