Design of Experiments Quiz Questions 7

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Online Quiz about Design of Experiments Quiz Questions with Answers. There are 20 MCQs in this DOE Quiz covers the basics of the design of experiments, hypothesis testing, basic principles, and single-factor experiments. Let us start with “Design of Experiments MCQs with Answer”. Let us start with the Design of Experiments Quiz Questions with Answers now.

Online Design of Experiments Quiz Questions with Answers

1. In an independent samples t-test two samples:

 
 
 
 

2. Paired samples are:

 
 
 
 

3. A paired samples t-test is also called:

 
 
 
 

4. ANOVA is suitable to compare —————- means

 
 
 
 

5. The analysis of variance treats the factor as if it were qualitative even if it is a continuous variable such as temperature.

 
 

6. For the validity of different inferential tools we assume that errors have:

 
 
 
 

7. To apply the t-test, two samples must be:

 
 
 
 

8. Why is randomization an important aspect of conducting a designed experiment?

 
 
 
 

9. In a single-factor random effects experiment we assume that the levels of the factor are selected at random from an infinitely large population of possible levels.

 
 

10. Sir Ronald A. Fisher is regarded as the modern pioneer of designed experiments because

 
 
 
 

11. Paired samples t-test utilizes degree of freedom:

 
 
 
 

12. Basic ANOVA measures ————— source/s of variation

 
 
 
 

13. The t-test is used when:

 
 
 
 

14. When comparing more than two population means at the same time we should not use:

 
 
 
 

15. In case of pairing, samples are usually taken from:

 
 
 
 

16. The Fisher LSD procedure used to compare pairs of treatment means following an ANOVA is extremely conservative.

 
 

17. Why would an agricultural field trial require a different experimental strategy than a typical industrial experiment?

 
 
 
 

18. When population variance is unknown and sample sizes are small we can estimate the variance by

 
 
 
 

19. If a single-factor experiment has a continuous factor with $a$ levels and a polynomial of degree $a – 1$ is fit to the data the error sum of squares for the polynomial model will be identical to the error sum of squares that resulted from the standard ANOVA.

 
 

20. In ANOVA we use

 
 
 
 

Design of Experiments Quiz Questions with Answers

Design of Experiments Quiz Questions with Answers

  • Why is randomization an important aspect of conducting a designed experiment?
  • Why would an agricultural field trial require a different experimental strategy than a typical industrial experiment?
  • Sir Ronald A. Fisher is regarded as the modern pioneer of designed experiments because
  • The analysis of variance treats the factor as if it were qualitative even if it is a continuous variable such as temperature.
  • The Fisher LSD procedure used to compare pairs of treatment means following an ANOVA is extremely conservative.
  • If a single-factor experiment has a continuous factor with $a$ levels and a polynomial of degree $a – 1$ is fit to the data the error sum of squares for the polynomial model will be identical to the error sum of squares that resulted from the standard ANOVA.
  • In a single-factor random effects experiment we assume that the levels of the factor are selected at random from an infinitely large population of possible levels.
  • When comparing more than two population means at the same time we should not use:
  • In an independent samples t-test two samples:
  • When population variance is unknown and sample sizes are small we can estimate the variance by
  • To apply the t-test, two samples must be:
  • The t-test is used when:
  • Paired samples are:
  • A paired samples t-test is also called:
  • Paired samples t-test utilizes degree of freedom:
  • In case of pairing, samples are usually taken from:
  • Basic ANOVA measures ————— source/s of variation
  • ANOVA is suitable to compare —————- means
  • In ANOVA we use
  • For the validity of different inferential tools we assume that errors have:

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Linear Regression and Correlation Quiz 9

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The post is about MCQs Linear Regression and correlation Quiz. There are 20 multiple-choice questions covering topics related to the basics of correlation and regression analysis, best-fitting trend, least square regression line, interpretation of correlation and regression coefficients, and regression plot. Let us start with the MCQs about Linear Regression and Correlation Quiz now.

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Online Linear Regression and Correlation Quiz with Answers

Linear Regression and Correlation Quiz with Answers

  • A regression analysis is run between two continuous variables “amount of food eaten” vs “the amount of calories burnt”. The coefficient value is $-0.33$ for “the amount of food eaten” and an R-square value of 0.81. What is the correlation coefficient?
  • In the simple linear regression equation, the term $B_0$ represents the
  • In model development, one can develop more accurate models when one has which of the following?
  • How should one interpret an R-squared if it is 0.89?
  • When comparing linear regression models, when will the mean squared error (MSE) be smaller?
  • Which of the following is NOT true about a model?
  • Which of the following is NOT a method for evaluating a regression model?
  • Which of the following is NOT true about a model?
  • What type of model would you use if you wanted to find the relationship between a set of variables?
  • Pearson correlation are concerned with
  • Which of the following statements describes a positive correlation between two variables?
  • When using the Pearson method to evaluate the correlation between two variables, which set of numbers indicates a strong positive correlation?
  • What are the key reasons to develop a model for your data analysis?
  • There are four assumptions associated with a linear regression model. What is the definition of the assumption of homoscedasticity?
  • Which performance metric for regression is the mean of the square of the residuals (error)?
  • When comparing the MSE of different models, do you want the highest or lowest value of MSE?
  • Which is NOT true for comparing multiple linear regression (MLR) and simple linear regression (SLR)?
  • One can visualize the correlation between two variables by plotting them on a scatter plot and then doing which of the following?
  • When using the Pearson method to evaluate the correlation between two variables, how can one know that there is a strong certainty in the result?
  • The method of least squares finds the best-fit line that ————– the error between observed and estimated points on the line.

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MS Excel Quiz Questions 4

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The post is about MS Excel Quiz Questions. It contains 20 multiple-choice questions covering the basics of MS Excel, filtering and sorting in MS Excel, Cell Reference, If condition, Hlookup, vlookup, xlookup, and text formatting. Let us start with the MS Excel Quiz Questions now.

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Online MS Excel Quiz Questions with Answers

MS Excel Quiz Questions with Answers

  • What happens when one uses the median calculation but selects an even number of values in a range?
  • How is a cell reference made as absolute in a formula?
  • Formula errors in Excel are preceded by a hash symbol (#). What does it mean when multiple hash symbols exist in a cell?
  • What is one of the easiest common errors or inconsistencies to fix when importing data?
  • What is the first thing you should do when checking spelling errors in Excel?
  • What feature can you use to fix text that appears in mixed case?
  • How to remove all empty rows at the same time in an imported spreadsheet?
  • What does VLOOKUP stand for?
  • After enabling Filtering, where can one see and access the filter controls?
  • The IF function applies to one or two conditions, but what if one needs to apply multiple conditions?
  • The difference between HLOOKUP, VLOOKUP, and XLOOKUP is how they look for data. How does each look for data?
  • Which of the following formulas contains a mixed reference?
  • What is the purpose of the IFS function in Excel?
  • In this HLOOKUP function, =HLOOKUP (B3, A2:B12,1), what does the number 1 indicate?
  • If you have multiple filters set, how can you clear all of them at once?
  • There are two methods to locate and remove duplicated rows in Excel, what is the easiest way?
  • Which statement best describes the purpose of filtering the data?
  • When you use nested functions, what is required for each of the functions?
  • After filtering a column and getting the results, in which two ways can you return to showing all the data in a column? Select two answers.
  • What should you do if you have data in MS Excel that is in all upper-case letters and want to change it so the first letter of each word is capitalized?

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