Quants

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  • Created by: Rhi765
  • Created on: 22-11-22 20:33

1. You have conducted a Mann Whitney test to determine if there is a difference between males and females in the number of shoes owned. Which set of values should you report?

  • The p-value, the Mann-Whitney U value, Degrees of Freedom and the Median±IQR
  • The p-value, the Mann-Whitney U value, Sample size (n) and the Median±IQR
  • The p-value, the Mann-Whitney U value, Sample size (n) and the Mean±SD
  • The p-value, the Mann-Whitney U value, Degrees of Freedom and the Mean±SD
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Other questions in this quiz

2. Complete the following: A Pearson’s chi-square test can be used to:

  • Determine whether there is a correlation between a continuous variable and a categorical variable
  • Determine whether there is a relationship between two categorical variables
  • Determine whether there is a relationship between two continuous variables
  • Determine whether there is a difference between the means of two groups

3. What does the Bonferroni correction do?

  • Multiplies the specified significance level by the number of tests conducted
  • Re-sets the significance level to p=0.01 to reduce the chance of false positives
  • Divides the specified significance level by the number of tests conducted
  • Shows only the significant pairwise comparison

4. You would like to know if adults reduce their spending on clothes after the purchase of a house. A group of adults have had their monthly spending on clothes assessed (£) before and after purchasing a house using a mortgage. You have conducted normality t

  • A Wilcoxon Signed Rank Test because the data is paired and not normally distributed
  • A dependent samples t-test because the data is not paired and normally distributed
  • A Mann Whitney U test because the data is not paired and not normally distributed
  • An independent samples t-test because the data is paired and normally distributed

5. The length of time (minutes) for which different groups of students (A, B and C) were able to stay awake to revise statistics after consuming 500 ml of one of three different types of stimulants was recorded. What is the variation in scores from groups A

  • Homogeneity of variance
  • The between-groups variance
  • The within-groups variance
  • The grand variance
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