The college of business was interested in comparing the interaction of academic status and class time on class attendance. Three different classes were sampled for each cell in the table. The means for each cell follow. 
What are the total degrees of freedom?
Definitions:
Substitutes
Products or services that can replace each other in use or consumption, thereby affecting consumer choices and market dynamics.
Product
An item or service that is created through a process and is offered for sale or use.
Luxury Goods
High-end products and services that are perceived to be more prestigious and are usually purchased by individuals with more disposable income.
Price Elastic
Refers to the degree to which the quantity demanded or supplied of a good or service changes in response to a change in its price.
Q15: The items or individuals of the population
Q33: A Type II error is the probability
Q37: If two dependent samples of size 20
Q40: A student wanted to construct a 95%
Q43: We can apply nonparametric tests to problems
Q45: Consider the multiple regression model shown next
Q52: A statistics professor receives an average of
Q53: In the past five years,45% of the
Q76: How is a pooled estimate of the
Q81: A sales manager for an advertising agency