Explain how tied ranks are handled in non-parametric tests like Spearman’s rank correlation and the Wilcoxon s…
Discuss how rank-sum tests, such as the Wilcoxon or Mann-Whitney U test, are used to compare customer preferen…
Explain how non-parametric tests can be applied to A/B testing in marketing campaigns. Provide an example of a…
Describe how non-parametric tests are useful for analyzing customer feedback, especially when the data is ordi…
Discuss the advantages of using non-parametric methods in business when dealing with small data sets. Provide…
Explain how non-parametric methods can be used for business forecasting when the data do not meet the assumpti…
Discuss how non-parametric methods are used in survival analysis to estimate the time until an event occurs. P…
Describe permutation tests and their role in non-parametric hypothesis testing. Provide an example of how a co…
Explain bootstrap methods in non-parametric statistics and their use in estimating confidence intervals. Provi…
Discuss how non-parametric regression methods, such as kernel regression, can be used when the data does not m…
Explain Kendall’s Tau and how it is used as a measure of correlation between two variables in business. Provid…
Describe how Spearman’s rank correlation is used to measure the strength and direction of the relationship bet…
Discuss the chi-square test for independence and how it can be used to examine the relationship between two ca…
Explain how the chi-square test for goodness of fit is used to assess how well observed data fit a specific di…
Describe the Friedman test and its use for comparing repeated measures or related groups. Provide an example o…
Explain the Kruskal-Wallis H test and how it compares multiple independent groups. Provide an example of a com…
Describe how the Wilcoxon signed-rank test is used to compare two related samples or matched pairs. Provide an…
Explain how the Mann-Whitney U test is used to compare two independent groups. Provide an example of a busines…
Describe the situations in which non-parametric tests are more appropriate than parametric tests. Provide an e…
Explain the concept of non-parametric statistics and how it differs from parametric statistics. Provide an exa…