Question: An LU professor is interested in whether there is a difference between undergraduate students and graduate students in the amount of time spent praying each day. The professor gathers information from random samples of undergrad students and grad students on the LU campus. The amount of time spent praying is normally distributed and is measured on an interval/ratio scale.

Graduate. Undergraduate
15 9
17 11
10 9
13 6
11 5
17 6

What statistical test should be used to analyze the data?

Is this a one tailed test or a two tailed test?

Identify Ho and Ha for this study.

Conduct the appropriate analysis. Should Ho be rejected?