QMB 3200 EXAMINATION TEST 2026 COMPLETE QUESTIONS AND ANSWERS

QMB 3200 EXAMINATION TEST 2026
COMPLETE QUESTIONS AND ANSWERS



◉ True slope of line in simple linear regression. Answer: Beta1


◉ A large sample. Answer: N greater than 30


◉ # of dumy variables required to represent a QL var at 3 levels.
Answer: 2


◉ Computer software used to generate your project printout. Answer:
Statistix 9.0


◉ ANOVA. Answer: Analysis of Variance


◉ When 2 or more Independent variable are highly correlated. Answer:
What is multicollinearty


◉ The coefficient of determination. Answer: R^2


◉ The tester's choice, usually .05. Answer: Alpha

, ◉ A measure of central tendency in the population. Answer: Mew


◉ The value of R2 in simple linear regression when x and y are
uncorrelated. Answer: 0


◉ Squared or not, it measures dispersion in the population. Answer:
Sigma (SD)


◉ Decision made about Ho when alpha exceeds the p-value. Answer:
Reject Ho


◉ A type II error. Answer: Accepting Ho when Ho is false


◉ Rejecting Ho when Ho is true. Answer: Type I error


◉ In theory, the proportion of 90% CI's for mean that capture the true
mean. Answer: 90%


◉ Unobservable regression error. Answer: Epsilon -error


◉ # of treatements in ANOVA with 2 factors SEX (M,F) & race (W,
NW). Answer: 4