A student study of the effects of caffeine asked volunteers to take a memory test 2 hours

Question:

A student study of the effects of caffeine asked volunteers to take a memory test 2 hours after drinking soda. Some drank caffeine-free cola, some drank regular cola (with caffeine), and others drank a mixture of the two (getting a half-dose of caffeine). Here are the 5-number summaries for each group's scores (number of items recalled correctly) on the memory test:

image text in transcribed
a) Describe the W's for these data.
b) Name the variables and classify each as categorical or quantitative.
c) Create side-by-side boxplots to display these results as best you can with this information.
d) Write a few sentences comparing the performances of the three groups.
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Stats Data And Models

ISBN: 662

4th Edition

Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock

Question Posted: