Biostatistics and Research Methodology: F-Ratio Calculation
10 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

How can the sum of squares of deviations for residual variance be calculated?

  • Add the result of the sum of SS between columns and SS between rows from total SS
  • Divide the result of the sum of SS between columns and SS between rows by total SS
  • Subtract the result of the sum of SS between columns and SS between rows from total SS (correct)
  • Multiply the result of the sum of SS between columns and SS between rows by total SS

What does the Degrees of Freedom for variance between columns depend on?

  • The number of rows
  • The number of columns (correct)
  • The total sum of squares
  • The correction factor

In ANOVA, what does the F-Ratio measure?

  • The variance within rows
  • The total sum of squares
  • The ratio of two variances (correct)
  • The variance between columns

How is Two-Way ANOVA different from a paired t-test?

<p>Two-Way ANOVA uses more than two treatments, while a paired t-test uses two treatments (C)</p> Signup and view all the answers

Why is Two-Way ANOVA considered an extension of the paired t-test?

<p>Because both methods involve comparing more than two treatments (C)</p> Signup and view all the answers

What is the purpose of calculating the F-ratio in a one-way ANOVA?

<p>To determine the significance of the difference among several sample means (B)</p> Signup and view all the answers

Which of the following statements about the interpretation of the F-ratio is correct?

<p>The higher the calculated F-ratio above the table value, the more definite and sure the conclusions can be (A)</p> Signup and view all the answers

Which of the following components is included in the one-way ANOVA table?

<p>All of the above (D)</p> Signup and view all the answers

What is the formula used to calculate the F-ratio in a one-way ANOVA?

<p>F-Ratio = MS between / MS within (B)</p> Signup and view all the answers

What is the purpose of the ANOVA table?

<p>To provide a summary of the calculations performed in the one-way ANOVA (A)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser