Q1) All of the given are examples of quantitative data except:

a) Qualifying speeds of Indy 500 racing cars.

b) Distances between cities in the United States.

c) Percentage of women enrolled in a community college night course.

d) Point spreads between competing college football teams.

Q2) Test statistic which is used to test hypotheses about mean when small sample is involved follows a _________ distribution.

a) t

b) z

c) chi-square

d) binomial

Q3) When two-tail test of population mean is conducted, value of cut-off statistic is obtained from table by using the value of:

a) a/2

b) a

c) 2a

d) 4a

Q4) Given two-tail test for population mean, null hypothesis contains a(n) __________ sign, and alternative hypothesis contains a(n) ___________ sign

a) ≠, =

b) =, ≥

c) ≤, =

d) =, ≠

Q5) Final step to be performed when testing hypothesis of population mean is to

a) Calculate the test statistic.

b) Determine the size of the rejection region.

c) Translate the decision in terms of problem statement.

d) Check to see if test statistic falls into the rejection region.