Which of the following is an assumption of the regression model?
A) The errors are independent.
B) The errors are not normally distributed.
C) The errors have a standard deviation of zero.
D) The errors have an irregular variance.
E) The errors follow a cone pattern.
A
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Indicate whether the statement is true or false
During the current year, Winchester Company sold 80,000 units at a selling price of $20 per unit. Variable cost per unit was $15, and Winchester's net income for the year was $40,000. What was the amount of Winchester's fixed costs?
A. $440,000 B. $400,000 C. $360,000 D. $1,160,000
Which sentence expresses proper and common nouns correctly?
A) ?Aimee downloaded TurboTax onto her new Apple Computer. B) ?This year's marketing conference will be held in March at the Ritz-Carlton in Atlanta. C) Casey will speak with his Professor on Friday about his Internship.
A restaurant manager tracks complaints from the diner satisfaction cards that are turned in at each table. The data collected from the past week's diners appear in the following table
Complaint Frequency Food taste 27 Food temperature 9 Order mistake 5 Slow service 19 Table/utensils dirty 47 Too expensive 9 Using a classic Pareto analysis, what categories comprise 80% of the total complaints? A) Table/utensils dirty B) Table/utensils dirty, Food taste, Slow service C) Food taste, Food temperature, Order mistake, Slow service, Table/utensils dirty D) Food taste, Food temperature, Order mistake, Slow service, Too expensive