Waiting to park (1.3, 4.2) Do drivers take longer to leave their parking spaces when someone is waiting?

Researchers hung out in a parking lot and collected some data. The graphs and numerical summaries below display information about how long it took drivers to exit their spaces.

(a) Write a few sentences comparing these distributions.

(b) Can we conclude that having someone waiting causes drivers to leave their spaces more slowly? Why or why not?

Descriptive Statistics: Time Waiting n Mean StDev Minimum Q1 Median Q3 Maximum No 20 44.42 14.10 33.76 35.61 39.56 48.48 84.92 Yes 20 54.11 14.39 41.61 43.41 47.14 66.44 85.97

Transcribed Image Text:

90 80 T Time (seconds) 50 70- 70 60 60 40 40 30 No Someone waiting? Yes