Podcast
Questions and Answers
Which of the following is a method used to correct non-normally distributed data?
Which of the following is a method used to correct non-normally distributed data?
- B & D
- Normal probability plot (correct)
- Histogram
- Looking at frequencies
What percentage of cases will lie within 2 standard deviations of the mean in a normal distribution?
What percentage of cases will lie within 2 standard deviations of the mean in a normal distribution?
- 68.26%
- 95.44% (correct)
- 99.14%
- None of the above
Which of the following represents the probability that lies within 3 standard deviations of the mean in a normal distribution?
Which of the following represents the probability that lies within 3 standard deviations of the mean in a normal distribution?
- 68.26%
- 95.44%
- 99.14% (correct)
- None of the above
What is one way to visually assess normality?
What is one way to visually assess normality?
What percentage of cases will lie within 1 standard deviation of the mean in a normal distribution?
What percentage of cases will lie within 1 standard deviation of the mean in a normal distribution?
Which of the following is a way to visually assess normality?
Which of the following is a way to visually assess normality?
Which statistical test is used to check the normality of a distribution?
Which statistical test is used to check the normality of a distribution?
Which graphical method can be used to visually assess normality?
Which graphical method can be used to visually assess normality?
What does a straight line formed by a P-P plot indicate about the variable's distribution?
What does a straight line formed by a P-P plot indicate about the variable's distribution?
Which statistical test is used to test the assumption of equal variance?
Which statistical test is used to test the assumption of equal variance?
What does a significant Levene statistic indicate?
What does a significant Levene statistic indicate?
What is the significance level typically used to determine the rejection of the null hypothesis in Levene's test?
What is the significance level typically used to determine the rejection of the null hypothesis in Levene's test?
Which of the following best describes a random factor?
Which of the following best describes a random factor?
Which of the following best describes a fixed factor?
Which of the following best describes a fixed factor?
In some cases, factors can be used as both fixed and random. Which of the following is an example of such a factor?
In some cases, factors can be used as both fixed and random. Which of the following is an example of such a factor?
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