100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Practice Exam & Answers - MVDA - Leiden University $7.12   Add to cart

Exam (elaborations)

Practice Exam & Answers - MVDA - Leiden University

 72 views  6 purchases
  • Course
  • Institution

This is a practice exam for Multivariate Data Analysis (Leiden University) I made myself based on the exercise book, workgroups, and lectures of all seven weeks. It contains 30 multiple-choice questions that are as realistic as possible; there is a balance between calculations and theory. It is an ...

[Show more]

Preview 2 out of 9  pages

  • June 18, 2023
  • 9
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers
avatar-seller
Practice Exam
MVDA

1. In this specific research, the BMI is measured through hours of exercise per week
and daily intake of salt in grams. The following SPSS file comes out after running
the data through the program. Which statement is true?




A) The average BMI would be 5.108 if all other variables were 0
B) Exercise has a larger unique contribution to the variance than salt
C) A larger amount of salt leads to a higher BMI
D) Together, the amount of exercise and salt contribute to 0.770 of the variance

2. In the same research as above, three other variables are added to measure BMI. This
gives the following residual statistics in SPSS. Which is true?




A) According to Std. Residual, there is an outlier in one of the independent variables
B) According to Cook’s distance, there is an outlier in dependent variable
C) According to Centered Leverage Value, there is an outlier in one of the independent
variables
D) According to Std. Residual, there are no significant points in both the dependent and
independent variables.

3. Which is true?
1. The difference between a simple regression analysis and a Pearson correlation is
that the former is asymmetrical, whereas the latter is symmetrical
2. The value of standardizing a regression equation is that the regression weights
become independent of the measurement units used

, A) Only 1 is true
B) Only 2 is true
C) Both 1 & 2 are true
D) Neither 1 & 2 are true

4. What is not impacted when the assumptions of a regression model are violated?
A) The estimates of coefficients
B) F values of test
C) Standard errors of coefficients
D) All of the above are impacted

5. Which two measurement levels do we find when conducting MRA?
A) Interval + Interval
B) Nominal + Interval
C) Binary + Interval
D) Ordinal + Interval

6. What does this ANOVA formula tell us?
Yij =μ+αj +εij.
A) The null hypothesis would be αi = αj
B) We are performing a two-way ANOVA
C) We are performing a one-way ANOVA
D) We are looking for large within-group variations

7. What is true about this table?
A) The F-test of age would be 8.5,
and is significant
B) The F-test of age would be 8.5,
and is not significant
C) The F-test of age would be
0.364 and is significant
D) The F-test of age would be
0.364 and is not significant


8. When still looking at the same
table as in question 6, what has the biggest effect size; age, gender, or the interaction effect
of the two?
A) Age
B) Gender

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller elenavincent. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $7.12. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

81531 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$7.12  6x  sold
  • (0)
  Add to cart