2. Transit Railroads is interested in the relationship between travel distance and the ticket class purchased. A random sample of 200 passengers is taken. The table shows the results. The railroad wants to know if a passenger’s choice in ticket class is independent of the distance they must travel. i) State the hypotheses. H0 : _______ Ha : _______ ii) State the distribution to use for the test. Name the type of test. iii) How many passengers are expected to travel between 201 and 300 miles and purchase second-class tickets? iv) What is the df, test statistic, p-value? v) What can you conclude at the 5% level of significance?

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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.