Exam 2 Sample Questions Flashcards
A researcher interested in a data matrix that displays the frequency of some combination of possible
responses to multiple variables should construct a ____.
a. perceptual map
b. contingency table
c. regression equation
d. marginal table
- b
Carlos is examining the row and column totals in a contingency table. What are these called?
a. marginals
b. subtotals
c. totals
d. running totals
- a
The error caused by rejecting the null hypothesis when it is, in fact, true is called a ____.
a. Type II error
b. confidence level error
c. confidence interval error
d. Type I error
- d
Statistical power is associated with _____________.
a. ß
b. µ
c. α
d. σ
e. None of the above
- a
Through the “Descriptives” analysis in SPSS, which is a type of “Descriptive Statistics”, you can obtain all of the following except: a. Mean b. Range c. Frequency d. Minimum e. Maximum
- c
The SPSS menu that we are expected to use in carrying out a Univariate T-test is _________.
a. Frequencies
b. One-sample T Test
c. Independent-Samples T Test
d. ANOVA
e. Crosstabs
- b
You have when a sample mean of 4.4 is obtained from 100 samples with its standard deviation of
2.5. Assuming your t-critical value from the t-distribution table for the correct Alpha level is 1.99 and
the population mean is 4.0, what is your hypothesis testing result? Please use the confidence
interval method.
a. Reject the null
b. Fail to reject the null
c. X-bar is outside the confidence interval.
d. The alternative hypothesis is supported.
e. None of the above
- b [4.0 ± 0.4975]
Which of the following is the appropriate technique for addressing research questions involving
relationships among multiple variables that are measured with a less-than interval scale?
a. cross-tabulation
b. ANOVA
c. regression
d. cluster analysis
- a
A researcher hypothesizes that males and females differ with respect to attitude toward sports
sponsorships. To investigate this hypothesis that these two groups’ attitudes differ, the researcher
will use a ____.
a. bivariate test of differences
b. univariate test of differences
c. multivariate test of differences
d. cluster analysis
- a
The formula given below represents the method for calculating the ____.
a. Z-test
b. F-test
c. χ2 test
d. α
- c
Alan is testing a hypothesis using t-test. Which of the following will he use to determine the significance
level of the results? (crit=critical value, cal=calculated value)
a. α & t-crit
b. t-cal & α
c. p-value & t-crit
d. p-value & α
e. t-cal & p-value
- d