Inferential Statistics ARIEL F. MELAD 2020 Learning Objectives

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Questions and Answers

Which type of statistical test would be most appropriate for comparing the means of three or more independent groups?

  • Independent samples t-test
  • Paired t-test
  • One-way Analysis of Variance (ANOVA) (correct)
  • Chi-square test

What type of statistical test is most suitable for examining the relationship between two continuous variables?

  • Chi-square test
  • Independent samples t-test
  • Pearson correlation (correct)
  • Paired t-test

If you want to compare the means of two independent groups, which statistical test should you use?

  • Chi-square test
  • One-way Analysis of Variance (ANOVA)
  • Paired t-test
  • Independent samples t-test (correct)

Which summary statistic is most appropriate for describing the center of a skewed distribution?

<p>Median and interquartile range (IQR) (D)</p> Signup and view all the answers

What type of chart is most suitable for displaying the relationship between two continuous variables?

<p>Scatter graph (B)</p> Signup and view all the answers

In a statistical test examining the association between two continuous variables, what type of measurement scale/data is used?

<p>Scale (B)</p> Signup and view all the answers

What is the type of test used for comparing the average of two independent groups?

<p>Independent t-test (B)</p> Signup and view all the answers

When examining the relationship between two categorical variables, which test is commonly used?

<p>Chi-square test (C)</p> Signup and view all the answers

What form of inferential statistics examines associations between variables?

<p>Test that examine associations (C)</p> Signup and view all the answers

If the p-value is less than or equal to 0.05, the result is deemed statistically significant, indicating a significant relationship between the variables. What is this p-value used as?

<p>Indicator of statistical significance (B)</p> Signup and view all the answers

What type of statistical test is most suitable for examining the relationship between two continuous variables?

<p>Pearson’s correlation coefficient (A)</p> Signup and view all the answers

When examining the relationship between two categorical variables, which test is commonly used?

<p>Chi-square test (D)</p> Signup and view all the answers

If you want to compare the means of two independent groups, which statistical test should you use?

<p>Independent t-test (C)</p> Signup and view all the answers

What form of inferential statistics examines associations between variables?

<p>Test of Association (C)</p> Signup and view all the answers

If the p-value is less than or equal to 0.05, the result is deemed statistically significant, indicating a significant relationship between the variables. What is this p-value used as?

<p>Indicator of statistical significance (A)</p> Signup and view all the answers

Which statistical test is most appropriate for comparing the means of three or more independent groups?

<p>One-way Analysis of Variance (ANOVA) (A)</p> Signup and view all the answers

What type of chart is most suitable for displaying the relationship between two continuous variables?

<p>Scatter graph (A)</p> Signup and view all the answers

If you want to compare the means of two independent groups, which statistical test should you use?

<p>Independent samples t-test (C)</p> Signup and view all the answers

What form of inferential statistics examines associations between variables?

<p>Pearson correlation (B)</p> Signup and view all the answers

If the p-value is less than or equal to 0.05, the result is deemed statistically significant, indicating a significant relationship between the variables. What is this p-value used as?

<p>Level of significance (C)</p> Signup and view all the answers

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