# Qnt 561 Final Exam Latest Assignment

1. A random sample of size 15 is selected from a normal population. The population standard deviation is unknown. Assume the null hypothesis indicates a two-tailed test and the researcher decided to use the 0.10 significance level. For what values of t will the null hypothesis not be rejected?
a) To the left of -1.645 or to the right of 1.645
b) To the left of -1.345 or to the right of 1.345
c) Between -1.761 and 1.761
d) To the left of -1.282 or to the right of 1.282
2. Which of the following is a characteristic of the F distribution?
a) Normally distributed
b) Negatively skewed
c) Equal to the t-distribution
d) Positively skewed
3. For a chi-square test involving a contingency table, suppose the null hypothesis is rejected. We conclude that the two variables are __________.
a) related
b) curvilinear
c) linear
d) not related
4. A sales manager for an advertising agency believes that there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. What is the dependent variable?
a) sales managers
b) amount of sales dollars
c) salesperson
d) number of contacts