Q 8.40 - Elementary Statistics

Question

Suppose that you have obtained data by taking a random sample from a population. Before performing a statistical inference, what should you do?

Step-by-Step Solution

Answer

Sample data should be examined various graphical representations.

Step 1: Given Information

It is given that data is obtained by a random sample from population. Statistical Inference is to be performed.

Step 2: Explanation

Before performing a statistical inference, sample data should be examined various graphical representations like leaf plots probability plots, histogram box plots steam. It is useful for the justification of use of statistical inference procedure, if required conditions for the application of procedure is satisfied.