Suppose you manage Saras burger bar, you would like to analyze drink preferences for two different type of customers to determine if the drink preference is independent of customer ages which will help influence your beverage pricing and marketing of new beverages. a survey yeilds the following information.
Under 25 years 25 years and over Total
Coffee 112 206 318
Tea 52 99 151
Soft drink 193 243 436
Other 42 52 95
400 600 1,000
What are the null and alternative Hypotheses?
Develop an expected frequency table? (assumption of independence)
Calculate the test statistic, degrees of freedom and state the p-value from the appropriate table
Can you reject the null hypothesis for a= .05?