A restaurant is interested in whether there is difference in the tendency to drink beer, wine, and other alcoholic drinks, by gender. A survey of a random sample of customers who bought alcoholic beverages revealed the data shown in Exhibit 12.41.
Is the distribution of preferences for beer, wine, and other alcoholic drinks independent of the gender of the customer? Why is the test statistic equal to zero in this case? What does the p-value tell you?
Answer to relevant QuestionsA quality control inspector is checking to see whether the proportions of different kinds of nuts included in a mixed-nuts package meet specifications. She randomly selects one of the bags of nuts off the line, and counts ...Suppose you wanted to investigate the proportion of different types of nuts in bags of mixed nuts. You are feeling too lazy to count the number of each type of nut, so you hit upon the idea of weighing the nuts by type. Will ...The Hendrick Software Sales Company has collected data on the number of contacts made by its sales staff, and the software sales, for a random sample of months. Create an appropriate scatter diagram for these data. What is ...Interpret the coefficient of determination for the data set on semester average marks. Given this number, can you conclude that the way to increase student marks is to keep students from working while they are studying? Check that the requirements for the theoretical model are met for the data on monthly incomes and monthly spending on restaurant meals. Are there any outliers? Are there any influential observations?
Post your question