A study was conducted by introductory statistics students to see whether majors in the sciences are as
Question:
Table 6.9 Results from the statistics enrollment study.
a. Was either the explanatory (row) or the response (column) variable fixed before the study was conducted?
b. Is this an example of an experiment or an observational study?
c. Is this a cross-classification, cohort, or case- control study?
d. Create a segmented bar chart for the data.
e. Create a simulation study to test the one-sided hypothesis that science majors are more likely to take a statistics course. Provide a p-value. Assuming that students took care to collect a simple random sample of seniors from each division, what conclusions can be drawn?
f. Use Fishers exact test to test the one- sided hypothesis that science majors are more likely to take a statistics course. Provide a p-value. Assuming that students took care to collect a simple random sample of seniors from each division, what conclusions can be drawn?
Step by Step Answer:
Practicing Statistics Guided Investigations For The Second Course
ISBN: 9780321586018
1st Edition
Authors: Shonda Kuiper, Jeff Sklar