Learn by Doing

Work through this Learn by Doing activity to prepare for the Unit 2 - Drinking Habits Lab. Review your responses after you complete the activity and use the feedback to correct your mistakes if you do not get 100%. You have an unlimited number of attempts and should continue to retake this quiz until you earn 100% so that you are prepared to complete the online lab.

Context

A university conducted a student survey, collecting data from a random sample of 236 undergraduate students.

The data for this lab is a subset of the real data collected by the university. Some students did not answer all of the questions in the survey. We use the symbol * in the spreadsheet to indicate missing data.

Data

Download the drinking datafile.

Variables

Gender Male or Female
Alcohol Number of alcoholic beverages consumed in a typical week
Height Self-reported height (in inches)
Cheat Would you tell the instructor if you saw somebody cheating on an exam? (0=No, 1=Yes)

Prompt

This quiz will prepare you to answer the following questions in a subsequent discussion activity. You should NOT attempt to answer these questions now.

Describe the distribution of weekly alcohol consumption using concepts from Unit
- Make an appropriate graph and provide appropriate numerical summaries.
- In your description, include an interval of typical values and a discussion of variability.
Do the data suggest that drinking is a problem in this university?
- Use the data to support your answer.

Technology Guidelines:

Option 1: Opening the File Using Google Sheet: Here is the instruction on how to open the file in Google Sheet: Unit 2 - Drinking Habits Lab (preparation).pdf. Hope this video helps:

Option 2: Opening the File Using R Programming: Hope this video helps:

Out of the first ten students in the datafile, how many drink 15 or more alcoholic beverages per week?

The following questions will help you prepare for the data analysis.