Refer to the data on the school buses in the Buena School District. a. Assume the distribution

Question:

Refer to the data on the school buses in the Buena School District.

a. Assume the distribution of the maintenance cost for the three bus manufacturers does not follow a normal distribution. Conduct a test of hypothesis at the .05 significance level to determine whether the distributions differ.

b. Assume the distribution of the maintenance cost for the bus capacities does not follow a normal distribution. Conduct a test of hypothesis at the .05 significance level to determine whether the distributions differ.

c. Assume the distribution of the maintenance cost for the bus types, diesel or gasoline, does not follow a normal distribution. Conduct a test of hypothesis at the .05 significance level to determine whether the distributions differ.

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...