71.
Size of the sample is determined in terms of

73.
Assertion (A) Median of a distribution is that value of the variant which divides it in two equal parts.
Reason (R) Median is a positional average.

74.
What is/are the main benefits of degrees of freedom (DoF) in small tests?

77.
What is a research design?

78.
If the dependent variable increases as the independent variable increases in an estimating equation, the co-efficient of correlation will be in the range

80.
In univariate data analysis, T-test is used when the data are in the form of