Statistical Testing Quiz

What is the purpose of statistical testing?

• To determine the color of data

• To determine the size of data

• To determine whether to accept or reject the null hypothesis

• To determine the speed of data processing

What type of data is represented in categories, such as counting how many students like psychology?

• Ordinal data

• Nominal data

• Interval data

• Parametric data

Which type of data can be placed in rank order, such as rating your liking of psychology on a scale of 1-10?

• Nominal data

• Ordinal data

• Interval data

• Parametric data

What type of data is based on numerical and public scales of measurement with units of equal size?

• Nominal data

• Ordinal data

• Interval data

• Parametric data

Which test is used for unrelated design and data at least ordinal level?

• Wilcoxon T

• Mann–Whitney U

• Related t-test

• Pearson's r

Which test is used for related design and data at least ordinal level?

• Mann–Whitney U

• Wilcoxon T

• Unrelated t-test

• Spearman's rho

What is the characteristic of parametric tests?

• Used with nominal data

• Used with ordinal data

• Used with interval level data, normal distribution expected

• Used with categorical data

Which test is used for unrelated design and data at interval level?

• Related t-test

• Unrelated t-test

• Spearman's rho

• Chi-Squared

Which test is used for related design and data at interval level?

• Unrelated t-test

• Related t-test

• Mann–Whitney U

• Wilcoxon T

Which test is used for correlation between co-variables at least ordinal level?

• Pearson's r

• Spearman's rho

• Chi-Squared

• Wilcoxon T