Examlex
Use the given sample data to test the claim that p1 > p2.Use a significance level of 0.01.
Nonparametric Tests
Statistical tests not based on assumptions about the form or parameters of the population distribution from which the samples are drawn.
Parametric Tests
Statistical tests that make assumptions about the parameters of the distribution(s) from which one's data are drawn.
Wilcoxon Rank Sum Test
A nonparametric statistical hypothesis test used for comparing two independent samples to assess whether their population mean ranks differ.
Un-standardized Test Statistic
An un-standardized test statistic measures the degree of deviation from the null hypothesis without adjusting for scale or variability in the data.
Q2: You pick a card from a deck.If
Q10: Here are histograms of the leverage and
Q15: A 90% confidence interval from a sample
Q27: Applicants for a particular job,which involves extensive
Q46: A survey of 300 students at York
Q55: A new math program may reduce the
Q59: P-value for t ≤ 1.44 with 45
Q69: A basketball player has made 70% of
Q77: Alarmed at the rising gas prices in
Q102: A manufacturer claims that the mean amount