Question
Activity 2: Chi-Square Test of Independence A sample of World Campus students were surveyed. They were asked which of the following they prefer to drink:
Activity 2: Chi-Square Test of Independence
A sample of World Campus students were surveyed. They were asked which of the following they prefer to drink: beer, water, or neither. And, their biological sex was recorded. These data are presented in the table below.
Preferred Drink | Female | Male |
---|---|---|
Beer | 71 | 158 |
Wine | 139 | 49 |
Neither | 82 | 42 |
Neither | 82 | 42 |
Activity 2_A:
Compute the relative risk comparing the proportion of males who prefer beer to the proportion of females who prefer beer.
Activity 2_B:
Interpret the relative risk that you computed in part A.
Activity 2_C:
Use Minitab to conduct a chi-square test of independence to determine if there is evidence of a relationship between beverage preference and biological sex in the population of all World Campus students. Use the five-step hypothesis testing procedure.
Activity 2_C:
Step 1: State hypotheses and check assumptions.
Activity 2_C:
Step 2: Compute the test statistic.
Activity 2_C:
Step 3: Determine the p-value.
Activity 2_C:
Step 4: Make a decision (reject or fail to reject the null).
Activity 2_C:
Step 5: State a real-world conclusion.
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