The number of degrees of freedom for an A*B interaction effect is ______.

A) the number of factors minus one
B) based on the number of levels for factor A
C) based on the number of levels for factor B
D) based on the number of levels for factors A and B

Quality control methods help employees do all of the following except ________.

A) manage product performance to achieve design tolerances
B) learn everything possible about a production process
C) ensure that customers receive error-free,consistent service
D) monitor production operations to ensure output conforms to specifications

During one work week, Darlene Davies worked a total of 45 hours, 20% of which were weekend hours. Find the number of hours that Darlene worked on the weekend.​

What is the distance between each data point and the regression line called?

A) error in prediction
B) standard error of the estimate
C) standard deviation
D) standardized error

The data for analysis by a Friedman test are either ordinal or interval,but they do not have a(n)____________________ distribution.

An Australian firm exported manufactured electronic components to the United States valued at 54,800 Australian dollars. The exchange rate for Australian dollars was 0.903497 per U.S. dollar. What was the amount of U.S. dollars the exporter received?​