1. A sample of 112 people were asked their political belliefs and their diet choices. The results are summarized in the following table:                                        Omnivore Vegetarian Total Conservative                    20             2               22 Moderate                        40              8              48 Liberal                             30             12             42 Total                                90             22            112   a) What percentage of those sampled are liberal? (b) What percentage of those sampled are vegetarian? (c) What percentage of moderates are vegetarian? (d) What percentage of omnivores are conservative?

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.