Important MCQs Nonparametric Quiz 1

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The post is about MCQs nonparametric quiz. There are 22 multiple-choice questions covering different nonparametric tests such as Wilcoxon rank sum test, Spearman’s Rank Correlation test, Mann-Whitney U test, Sign test, Runs Test, Kruskal Wallis test, and Chi-Square goodness of fit test. Let us start with the MCQs nonparametric Quiz.

MCQs about non-Parametric Statistics

1. Three brands of coffee are rated for taste on a scale of 1 to 10. Six persons are asked to rate each brand so that there is a total of 18 observations. The appropriate test to determine if three brands taste equally good is

 
 
 
 

2. To perform a run test for randomness the data must be

 
 
 
 

3. The Runs test results in rejecting the null hypothesis of randomness when:

 
 
 
 

4. Which of the following tests must be two-sided?

 
 
 
 

5. When using the Sign test, if two scores are tied, then we

 
 
 
 

6. The nonparametric equivalent of an unpaired samples t-test is

 
 
 
 

7. Compare to parametric methods, the nonparametric methods are

 
 
 
 

8. Which of the following test use rank sums?

 
 
 
 

9. The Mann-Whitney U test is preferred to a t-test when

 
 
 
 

10. In the Kruskal-Wallis test of $k$ samples, the appropriate number of degrees of freedom is

 
 
 
 

11. The sign test assumes that the samples are

 
 
 
 

12. The sign test is

 
 
 
 

13. Comparing the times-to-failure of radar transponders made by firms A, B, and C, based on an airline’s sample experience with the three types of instruments, one may well call for:

 
 
 
 

14. When testing for randomness, we can use

 
 
 
 

15. In testing for the difference between two populations, it is possible to use

 
 
 
 

16. The Wilcoxon rank-sum test can be

 
 
 
 

17. In a Wilcoxon rank-sum test

 
 
 
 

18. The Spearman rank-correlation test requires that the

 
 
 
 

19. The Wilcoxon rank-sum test compares

 
 
 
 

20. Which of the following tests is most likely assessing the null hypothesis of “the number of violations per apartment in the population of all city apartments is binomially distributed with a probability of success in any one trial of $P=0.4”

 
 
 
 

21. If a Chi-square goodness of fit test has 6 categories and an N=30, then the correct number of degrees of freedom is

 
 
 
 

22. The Wilcoxon signed rank is used

 
 
 
 

Online MCQs Nonparametric Quiz with Answers

MCQs nonparametric test
  • The Wilcoxon rank-sum test can be
  • The Wilcoxon rank-sum test compares
  • The Wilcoxon signed rank is used
  • Which of the following test use rank sums?
  • Which of the following tests must be two-sided?
  • In testing for the difference between two populations, it is possible to use
  • In a Wilcoxon rank-sum test
  • The Spearman rank-correlation test requires that the
  • The sign test is
  • The nonparametric equivalent of an unpaired samples t-test is
  • The Mann-Whitney U test is preferred to a t-test when
  • When using the Sign test, if two scores are tied, then we
  • The sign test assumes that the samples are
  • When testing for randomness, we can use
  • The Runs test results in rejecting the null hypothesis of randomness when:
  • To perform a run test for randomness the data must be
  • Three brands of coffee are rated for taste on a scale of 1 to 10. Six persons are asked to rate each brand so that there is a total of 18 observations. The appropriate test to determine if three brands taste equally good is
  • If a Chi-square goodness of fit test has 6 categories and an N=30, then the correct number of degrees of freedom is
  • Comparing the times-to-failure of radar transponders made by firms A, B, and C, based on an airline’s sample experience with the three types of instruments, one may well call for:
  • Which of the following tests is most likely assessing the null hypothesis of “the number of violations per apartment in the population of all city apartments is binomially distributed with a probability of success in any one trial of $P=0.4$
  • In the Kruskal-Wallis test of $k$ samples, the appropriate number of degrees of freedom is
  • Compare to parametric methods, the nonparametric methods are
MCQs nonparametric Statistics Quiz with answers

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Top Online MCQs Econometrics 1

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The Post is about Online MCQs Econometrics. The MCQS Econometrics Quiz contains 20 multiple-choice questions on heteroscedasticity, multicollinearity, auxiliary regression, multiple regression, autocorrelation, and regression diagnostics. Let us start with the Online MCQs Econometrics quiz.

Please go to Top Online MCQs Econometrics 1 to view the test

Online MCQs Econometrics with Answers

Online MCQs Econometrics Quiz
  • In a regression model with three explanatory variables, there will be ————– auxiliary regressions
  • The AR(1) process is stationary if
  • The value of Durbin Watson $d$ lies between
  • Which of the following actions does not make sense to struggle against multicollinearity?
  • Autocorrelation may occur due to
  • Which of the following can indicate negative autocorrelation?
  • Which one is not the rule of thumb?
  • Heteroscedasticity can be detected by plotting the estimated $\hat{u}_i^2$ against
  • If a Durbin Watson statistic takes a value close to zero what will be the value of the first-order autocorrelation coefficient?
  • Which of the following statements is true about autocorrelation?
  • When measurement errors are present in the explanatory variable(s) they make
  • Heteroscedasticity is more common in
  • Which one assumption is not related to error in explanatory variables?
  • For the presence and absence of first-order autocorrelation valid tests are
  • Choose a true statement about the Durbin-Watson test
  • What technique models a categorical variable based on one or more independent variables?
  • What is a nonlinear function that connects or links a dependent variable to the independent variables mathematically?
  • What type of regression models a categorical variable based on one or more independent variables?
  • In a linear regression model, what is the area surrounding the regression line that describes the uncertainty around the predicted outcome at every value of X?
  • The ————- states that no two independent variables ($X_i$ and $X_j$) can be highly correlated with each other.
MCQs Econometrics: Statistics Help

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Important Random Variables MCQs 5

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The post is about the Random Variables MCQs Test. There are 20 multiple-choice questions covering topics about the basics of random variables, types of random variables, dependent and independent variables, expectation and variance of random variables, and joint density of random variables. Let us start with the Random Variables MCQs Quiz.

Please go to Important Random Variables MCQs 5 to view the test

Random Variables MCQs

Online Random Variables MCQs
  • $E(X-\mu)$ = ?
  • If $E(X) = 1.6$ then $E(5X+10) =$?
  • If $X$ is a random variable then $E(4X + 2)$ is
  • If $E(X) = 3$ then what will be $E(a+X)$, where $a$ is a constant whose value is 2
  • If $P(X=10) = \frac{1}{10}$, then $E(X)=$?
  • If $X$ and $Y$ are random variables then $E(X-Y)$ is
  • If $X$ and $Y$ are two independent variables then $E(XY)=$
  • If $X$ and $Y$ are independent random variables then $SD(X-Y)$ will be
  • If $X$ is a random variable and $a$ and $b$ are constants, then $SD(a-bX)$ is
  • If $a$ is constant then $Var(a)$ is
  • If $Var(X) = 8$ then $Var(X+3)= $
  • If $Var(X) = 5$ then $Var(2X + 5) $ =
  • If $Var(X) = 2$ and $Var(Y) = 5$, and if $X$ and $Y$ are independent variables, then $Var(2X – Y)=$?
  • If $X_1, X_2, \cdots, X_n$ is the joint density of $n$ random variables, say $f(X_1, X_2, \cdots, X_n;\theta)$ which is considered to be a function of $\theta$. Then $L(\theta; X_1,X_2,\cdots,X_n)$ is called:
  • A discrete variable is a variable that can assume
  • If $X$ is a discrete random variable then the function $f(x)$ is
  • If $X$ and $Y$ are random variable then $E(X+y)$ is
  • If $X$ and $Y$ are independent random variables then $E(XY)$ is
  • If $X$ and $Y$ are independent random variables then $Var(x-y)$ is
  • If $X$ is a random variable then $Var(2-3X)$ is
Online Random Variables MCQs Quiz

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