The level of measurement is important because it determines whether a statistical test should be one-tailed or two-tailed. determines which statistical test may be used. determines whether the...

Extracted text: The level of measurement is important because it determines whether a statistical test should be one-tailed or two-tailed. determines which statistical test may be used. determines whether the research hypothesis should be directional or nondirectional. determines the appropriate significance level for a statistical test. Question 4 A chi square test compares treatment mean differences and sample variability. observed and expected frequencies. treatment group variability with expected population variability. treatment means. Question 5 OOO O O