# Question

The A & M convenience store in Rockmont, Illinois, has kept track of customer arrivals during the early morning hours of 1 a.m. to 4 a.m., collecting a sample of 300 hours of data. Below is a table showing the results of the study:

Conduct an appropriate chi square goodness of fit test to test a null hypothesis that the hourly arrival rate for A & M customers during the early morning hours has a Poisson distribution. Use the mean hourly arrival rate for the sample data as your estimate of the mean, of the Poisson distribution that you will try to “fit “to the sample data. Use a 5% level of significance. To meet the minimum expected frequency cell size requirement, you can combine arrival categories 6, 7, 8, and 9 into a single “6 or more arrivals “category. Compute degrees of freedom as c–2, where c is the number of categories after combining 6 through 9. (The reason that df is not computed as c–1 as described in the chapter is that one additional degree of freedom is lost when the sample mean is used to estimate the population mean.)

Conduct an appropriate chi square goodness of fit test to test a null hypothesis that the hourly arrival rate for A & M customers during the early morning hours has a Poisson distribution. Use the mean hourly arrival rate for the sample data as your estimate of the mean, of the Poisson distribution that you will try to “fit “to the sample data. Use a 5% level of significance. To meet the minimum expected frequency cell size requirement, you can combine arrival categories 6, 7, 8, and 9 into a single “6 or more arrivals “category. Compute degrees of freedom as c–2, where c is the number of categories after combining 6 through 9. (The reason that df is not computed as c–1 as described in the chapter is that one additional degree of freedom is lost when the sample mean is used to estimate the population mean.)

## Answer to relevant Questions

The number of empty seats on Air America’s 10 Tuesday fights from Albuquerque to St. Paul was: 2, 6, 2, 0, 2, 3, 5, 9, 1, 5 a. Determine the mean, the median and the mode for the data. b. Interpret each of these three ...Applicants for entry-level positions at RST Systems are required to take a computer literacy test. Scores, scaled from 1 to 10, for 20 recent applicants are given below: a. Show the data in a frequency table. b. Construct ...Alliance Airlines has current feet of 200 aircraft. The table below shows the number of aircraft of various types along with the age of each aircraft. a. Show the age data in a frequency table and construct the corresponding ...Tri County Power and Light has collected data on safety related accidents at it primary plant over a period of 200 days. Below is a table showing the results of the study: Conduct an appropriate chi square goodness of fit ...The table below shows the proportion of seat belts users by location (urban, suburban, and rural) for automobile passengers/ drivers in the US based on a survey done for the National Highway Traffic Safety Administration ...Post your question

0