Here is the question:

A sociologist is studying the social aspect of eating out and in particular is interested in the amount of time people spend in fast food restaurants versus more formal restaurants. She visits one fast food restaurant and has a colleague visit one formal restaurant at the same day/time as her. They collectively observe the following times (lengths of visits) in minutes: Fastfood 17 21 18 23 34 19 23 Formal 49 72 66 48 80 51 52 83 81 (a) By hand, conduct a formal hypothesis test at 3% level of significance to see if the average time spent in a fast food restaurant is lower than the average time spent in a formal restaurant using the pvalue approach. (b) Interpret the pvalue found in (a)