A regional cancer treatment center has had success treating localized cancers with a linear accelerator. Whereas admissions

Question:

A regional cancer treatment center has had success treating localized cancers with a linear accelerator. Whereas admissions for further treatment nationally average 2.1 per patient per year, the center€™s director thinks that readmissions with the new treatment are Poisson distributed, with a mean of 1.2 patients per year. He has collected the following data on a random sample of 300 patients:

a. Adjust the data so that you can test the director€™s claim using a test statistic whose sampling distribution can be approximated by a chi-square distribution.
b. Assume the Type I error rate is to be controlled at 0.05. Do you agree with the director€™s claim? Why? Conduct a statistical procedure to support your opinion.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...