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Questions and Answers
What is the purpose of goodness-of-fit tests?
What is the purpose of goodness-of-fit tests?
- To calculate the cumulative distribution function
- To check whether the data distribution follows a certain type of distribution (correct)
- To determine the sample size for a study
- To perform a chi-square test
What is the null hypothesis (H0) for a goodness-of-fit test?
What is the null hypothesis (H0) for a goodness-of-fit test?
- The data are from a normal distribution
- The data follow the specified distribution (correct)
- The data do not follow the specified distribution
- The data are different from the specified distribution
Which of the following is a goodness-of-fit test for normal distributions?
Which of the following is a goodness-of-fit test for normal distributions?
- Kolmogorov-Smirnov test
- Anderson-Darling test
- Shapiro-Wilk test
- All of the above (correct)
Which of the following is a non-parametric goodness-of-fit test?
Which of the following is a non-parametric goodness-of-fit test?
What is the alternative hypothesis (H1) for a goodness-of-fit test?
What is the alternative hypothesis (H1) for a goodness-of-fit test?
Which of the following goodness-of-fit tests can be used to check if the data are from a logistic distribution?
Which of the following goodness-of-fit tests can be used to check if the data are from a logistic distribution?
What type of statistical analysis is used to compare means or proportions between groups?
What type of statistical analysis is used to compare means or proportions between groups?
Which statistical test is used to measure the strength of a linear relationship between two variables?
Which statistical test is used to measure the strength of a linear relationship between two variables?
What is the purpose of a goodness-of-fit (G-O-F) test?
What is the purpose of a goodness-of-fit (G-O-F) test?
What is the difference between parametric and non-parametric statistical tests?
What is the difference between parametric and non-parametric statistical tests?
What is the null hypothesis in a statistical test?
What is the null hypothesis in a statistical test?
What is the purpose of a p-value in a statistical test?
What is the purpose of a p-value in a statistical test?
Which test is used to compare the means of two groups based on a single variable?
Which test is used to compare the means of two groups based on a single variable?
What is the specific condition for using ANOVA when dealing with a single variable?
What is the specific condition for using ANOVA when dealing with a single variable?
Which statistic is used to assess the correlation between two variables that are expressed as r, rho, tau, or v?
Which statistic is used to assess the correlation between two variables that are expressed as r, rho, tau, or v?
In regression analysis with more than one variable and more than one outcome, which type of regression is used?
In regression analysis with more than one variable and more than one outcome, which type of regression is used?
Which test is suitable for comparing means between more than two groups involving more than one variable?
Which test is suitable for comparing means between more than two groups involving more than one variable?
What does an r value close to -1 indicate in correlation analysis?
What does an r value close to -1 indicate in correlation analysis?
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