Malani Is Examining the Following Research Question: Is There a Mean

Multiple Choice

Malani is examining the following research question: Is there a mean difference in the weight of garbage thrown away per week by homeowners as compared to renters? Use the 'Garbage' dataset. "Weight" is a ratio level measurement scale variable. "Own_Rent" is a nominal level measurement scale variable. Conduct the the appropriate inferential statistical procedure at an alpha level of .05. Do NOT exclude any cases when conducting the test. Which one of the following is correct based on reviewing the results of the test?

A) The probability the means are not equal is about 30%.
B) There is a good probability that renters throw out more garbage than homeowners.
C) There is about a 30% probability of finding a mean difference of about 16 or greater by chance if the true mean difference is zero.
D) There is less than a 1% probability of finding a mean difference of about 16 or greater by chance if the true mean difference is zero.