Questions from Business Statistics

Q: The TV watching study of Exercise 1 was collected as a survey

The TV watching study of Exercise 1 was collected as a survey of students at a small college. Do the assumptions of ANOVA appear to be met? Here are some displays to help in your decision:

Q: The student performing the chocolate chip cookie experiment of Exercise 2 planned

The student performing the chocolate chip cookie experiment of Exercise 2 planned to analyze his results with an Analysis of Variance on two factors. Here are some displays. Do you think the assumptio...

Q: Here is an ANOVA table with an interaction term and the corresponding

Here is an ANOVA table with an interaction term and the corresponding interaction plot for the TV watching data of Exercise 1 . What does the interaction term mean here?

Q: Here are the summary statistics for Verbal SAT scores for a high

Here are the summary statistics for Verbal SAT scores for a high school graduating class: 1. Create side-by-side boxplots comparing the scores of boys and girls as best you can from the information gi...

Q: Here is the ANOVA table for the cookie experiment of Exercise 2

Here is the ANOVA table for the cookie experiment of Exercise 2 along with an interaction plot. What does the interaction term say about the cookie recipes?

Q: Many grocery store chains offer customers a card they can scan when

Many grocery store chains offer customers a card they can scan when they check out and offer discounts to people who do so. To get the card, customers must give information, including a mailing addres...

Q: Online retailers such as Amazon.com keep data on products that

Online retailers such as Amazon.com keep data on products that customers buy, and even products they look at. What does Amazon hope to gain from such information?

Q: Sensors in parking lots are able to detect and communicate when spaces

Sensors in parking lots are able to detect and communicate when spaces are filled in a large covered parking garage next to an urban shopping mall. How might the owners of the parking garage use this...

Q: Satellites send back nearly continuous data on the earth land masses,

Satellites send back nearly continuous data on the earth land masses, oceans, and atmosphere from space. How might researchers use this information in both the short and long terms to help study chang...

Q: Sports announcers love to quote statistics. During the Super Bowl,

Sports announcers love to quote statistics. During the Super Bowl, they particularly love to announce when a record has been broken. They might have a list of all Super Bowl games, along with the scor...