If multicollinearity exists among the independent variables included in a multiple regression model, then:
a. the regression coefficients will be difficult to interpret.
b. the standard errors of the regression coefficients for the correlated independent variables will increase.
c. one or more of the coefficients may have the wrong sign.
d. All of these choices are true.
D
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"Feb. 10, 2015" is the correct way to type the date in a letter
Indicate whether the statement is true or false.
Jake is working for a global consulting firm and will be writing letters to intercultural audiences around the world. What is the best advice you can give him?
A) Always use a direct approach to make your letters as clear as possible. B) Use your own format and style so that all your letters are consistent. C) Send letters to lower-ranking employees to avoid offending higher-ranking employees. D) Replace two-word verbs such as put off with clear single words such as delay.
Dirty data is erroneous or flawed data.
Answer the following statement true (T) or false (F)
When Anna started high school, she dated a boy on the football team. The relationship ended badly, and Anna swore off jocks forever. She avoids sports games and tells everyone she knows how lame school sports are. Recently, she started dating a new boyfriend who has embraced the Goth persona. Anna thinks he is very cool and wants to be just like him. Anna views jocks as a(n) _____________________, while she views those who embrace the Gothic lifestyle as a(n) _____________________.
A. dissociative reference group; membership reference group B. undesirable reference group; desirable reference group C. dissociative reference group; aspirational reference group D. negative reference group; positive reference group E. negative reference group; desirable reference group