Quiz

Last year, the average class size at LTCC was 11.3 students.  A researcher wanted to see if there has been a change in the average class size this year.  The researcher looks at enrollments for 40 classes.  The researcher will be using a 0.05 level of significance.

A.  Write down the null and alternative hypothesis.

B.  Suppose the researcher computed a P-Value of 0.12.  State using a complete sentence what the research should conclude.