Multivariate Data Analysis (MVDA) Practice Exam (version B)
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Cours
Multivariate data analyse (6462PS009Y)
Établissement
Universiteit Leiden (UL)
This practice exam was made for the MDVA course in 2023, after the exam in June. I used the lecture slides and literature by Peter de Heus to create the questions. The outputs are taken from the MVDA workbook, but I have made some changes in them. I tried to create an exam similar to the one in Jun...
This practice exam was made for the MDVA course in 2023, after the exam in June.
There are 30 multiple-choice questions. For each question, out of the 4 alternatives only one is
correct. Complete it in 2 hours if you want to have the actual exam’s experience.
The answers and explanations are at the end of the document.
The questions begin on the next page.
Good luck :)
,1. Consider the following output. How much variance in the model is explained by the
predictors?
a) 0.59
b) 0.64
c) 0.03
d) 0.50
2. This graph displays the standardized residuals against the predicted values of a dataset.
Which assumptions of multiple regression analysis are met?
a) only linearity
b) only homoscedasticity
c) both linearity and homoscedasticity
d) neither linearity nor homoscedasticity
3. In the following multiple regression analysis model, mow much variation would
Extroversion and Age explain together if they were completely unrelated to each other?
a) 0.832
b) 0.075
c) 0.000
d) 0.910
, 4. What does homogeneity mean?
a) the variance of the independent variable is different in the groups
b) the variance of the dependent variable is different in the groups
c) the variance of the independent variable is the same in all groups
d) the variance of the dependent variable is the same in all groups
5. The following output depicts the result of a study on the influence of teaching method (AM
= Arithmetic & Math, WN = A World of Numbers) and gender (boy, girl) on the performance
on an arithmetic test (test score). The researchers find that that the main effects are both
insignificant, and the interaction effect is significant. Which interpretation of the estimated
marginal means is correct?
a) on average, the AM method yields better test scores
b) on average, boys perform better on the test than boys
c) on average, girls perform better on the test than boys
d) on average, the WN method yields better test scores for girls than for boys
6. In an Analysis of Variance, the post hoc test yields the following table. Which statement is
correct about the differences between the leadership styles on job satisfaction?
a) the authoritarian style leads to more job satisfaction than the paternalistic style and the
difference is significant
b) the authoritarian style leads to more job satisfaction than the paternalistic style and the
difference is not significant
c) the laissez-faire style leads to more job satisfaction than the paternalistic style and the
difference is significant
d) the laissez-faire style leads to more job satisfaction than the paternalistic style and the
difference is not significant
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