Name: ______________________________
Section: _____________________________
Student ID#:__________________________
Work in groups on these problems. You should try to answer the questions without referring to your textbook. If you get stuck, try asking another group for help.
Student Learning Outcome
 The student will evaluate if there is a significant relationship between favorite type of snack and gender.
Collect the Data
 Using your class as a sample, complete the following chart. Ask each other what your favorite snack is, then total the results.
Favorite type of snack

sweets (candy & baked goods) 
ice cream 
chips & pretzels 
fruits & vegetables 
Total 
male 





female 





Total 





 Looking at Table, does it appear to you that there is a dependence between gender and favorite type of snack food? Why or why not?
Hypothesis Test
Conduct a hypothesis test to determine if the factors are independent:
 \(H_{0}\): ________
 \(H_{a}\): ________
 What distribution should you use for a hypothesis test?
 Why did you choose this distribution?
 Calculate the test statistic.
 Find the pvalue.
 Sketch a graph of the situation. Label and scale the \(x\)axis. Shade the area corresponding to the \(p\text{value}\).
Figure 11.9.1.
 State your decision.
 State your conclusion in a complete sentence.
Discussion Questions
 Is the conclusion of your study the same as or different from your answer to answer to question two under Collect the Data?
 Why do you think that occurred?