Multivariate Quiz

MCQs Multivariate Statistics 4

The post is about MCQs Multivariate Statistics with Answers. It covers topics of Eigen values, Eigen Vectors, Moderation, and Mediation, etc.

Multiple Choice Questions about Multivariate Analysis with Answers.

1. If a researcher wants to determine the amount of variance in the original variables that is associated with a factor, they would use?

 
 
 
 

2. Eigenvectors with distinct Eigenvalues are – – – – – – – – -.

 
 
 
 

3. If the Eigenvalues is negative the direction is – – – – – – – -.

 
 
 
 

4. The percentage of variance criteria specifies that the number of factors to be extracted is determined by the cumulative percentage of variance extracted reaching a satisfactory level. This level should be at least – – – – – – – -.

 
 
 
 

5. Eigenvalues may be equal to – – – – – – – – -.

 
 
 
 

6. Which of the following is an orthogonal rotation in factor analysis – – – – – – – – -.

 
 
 
 

7. Imagine we wanted to at the relationship between the number of hours spent practicing the guitar per week and skill level. If we had reason to believe that the strength or direction of the relationship between these variables would be affected by the level of enjoyment, what type of analysis should be conducted on these data?

 
 
 
 

8. Moderation effect is also known as – – – – – – – -.

 
 
 
 

9. A – – – – – – – – mediates the relationship between the independent and dependent variables explaining the reason for such a relationship to exist:

 
 
 
 

10. Why is it a good idea to center your variable when conducting a moderation analysis?

 
 
 
 

11. Which of the following are violations of as assumption underlying regression analysis – – –  – – – – – .

 
 
 
 

12. ———— is a way to check whether that third variable influences the strength or direction of the relationship between an independent and dependent variable:

 
 
 
 

13. A moderator effect is where the size of the relationship one variable and another variable is:

 
 
 
 

14. Singular Matrices have Eigenvalues

 
 
 
 

15. Eigenvectors are by definition – – – – – – – – -.

 
 
 
 

16. The word “Eigen” originates from  – – – – – – -.

 
 
 
 

17. The word Eigen means – – – – – – – -‘

 
 
 
 

18. The combined effect of two variables on one another is known conceptually as ————–, and in statistical terms as ————-.

 
 
 
 

19. ———– analysis tests a hypothetical causal chain where one variable $X$ affects a second variable $M$ and, in turn, the variable affects a third variable $Y$:

 
 
 
 

20. If one of the Eigenvalues of $[A]_{n\times n}$ is zero, it implies – – – – – – -.

 
 
 
 


Online MCQs Multivariate Statistics

  • The word “Eigen” originates from  – – – – – – -.
  • Eigenvectors are by definition – – – – – – – – -.
  • Eigenvalues may be equal to – – – – – – – – -.
  • Eigenvectors with distinct Eigenvalues are – – – – – – – – -.
  • Singular Matrices have Eigenvalues
  • If the Eigenvalues are negative the direction is – – – – – – – -.
  • If one of the Eigenvalues of $[A]_{n\times n}$ is zero, it implies – – – – – – -.
  • The word Eigen means – – – – – – – -‘
  • Which of the following is an orthogonal rotation in factor analysis – – – – – – – – -.
  • If a researcher wants to determine the amount of variance in the original variables that is associated with a factor, they would use?
  • Which of the following are violations of as assumption underlying regression analysis – – –  – – – – -.
  • The percentage of variance criteria specifies that the number of factors to be extracted is determined by the cumulative percentage of variance extracted reaching a satisfactory level. This level should be at least – – – – – – – -.
  • A moderator effect is where the size of the relationship between one variable and another variable is:
  • Moderation effect is also known as – – – – – – – -.
  • The combined effect of two variables on one another is known conceptually as ————–, and in statistical terms as ————-.
  • Imagine we wanted to at the relationship between the number of hours spent practicing the guitar per week and skill level. If we had reason to believe that the strength or direction of the relationship between these variables would be affected by the level of enjoyment, what type of analysis should be conducted on these data?
  • ———– analysis tests a hypothetical causal chain where one variable $X$ affects a second variable $M$ and, in turn, the variable affects a third variable $Y$:
  • A – – – – – – – – mediates the relationship between the independent and dependent variables explaining the reason for such a relationship to exist:
  • ———— is a way to check whether that third variable influences the strength or direction of the relationship between an independent and dependent variable:
  • Why is it a good idea to center your variable when conducting a moderation analysis?
MCQs Multivariate Statistics

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Online Multivariate MCQ

Multivariate Analysis term includes all statistics for more than two simultaneously analyzed variables. The post contains a Multivariate Quiz.

Online Multivariate MCQs

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Multivariate analysis is based upon an underlying probability model known as the Multivariate Normal Distribution (MND). The objective of scientific investigations to which multivariate methods most naturally lend themselves includes.

Online Multivariate MCQ
  • Data reduction or structural simplification
    The phenomenon being studied is represented as simply as possible without sacrificing valuable information. It is hoped that this will make interpretation easier.
  • Sorting and Grouping
    Graphs of similar objects or variables are created, based on measured characteristics. Alternatively, rules for classifying objects into well-defined groups may be required.
  • Investigation of the dependence among variables
    The nature of the relationships among variables is of interest. Are all the variables mutually independent or are one or more variables depend on the observation of the other variables?
  • Prediction
    Relationships between variables must be determined for predicting the values of one or more variables based on observation of the other variables.
  • Hypothesis Construction and testing
    Specific statistical hypotheses, formulated in terms of the parameter of the multivariate population, are tested. This may be done to validate assumptions or to reinforce prior convictions.

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