A survey of 122 statistics students included a question that asked them if they are a regular coffee drinker and if they took a nap in the past 3 days. Use the results shown in this mosaic plot to answer the questions 

a. Were there more regular coffee drinkers than non–coffee drinkers in the results? How can you tell? 

b. Are there more people that have taken naps in the past 3 days than have not taken naps in the results? How can you tell? 

c. Is there a larger proportion of nappers among those that regularly drink coffee or don’t regularly drink coffee? How can you tell?

Transcribed Image Text:

Percentage 100 80 60 40 20 0 No nap Nap No No nap Nap Yes Coffee drinker