Statistics Flashcards
Which test measures linear correlation between two sets of data?
Pearson’s Correlation
Which test evaluates the difference between the means of more than two groups?
ANOVA
Which test compares the means of two examples?
t-Test
Which test examines whether two categorical variables are independent in influencing the test statistic?
Chi-Squared Test
Which test is a set of statistical processes for estimating the relationship between a dependent variable and one or more independent variables?
Regression
p < .04
Significant
p < .07
Not Significant
Which Test: A particular factory’s machines are supposed to fill bottles with 150 milliliters of product. A plant manager wants to test a random sample of bottles to ensure that the machines are not under- or over-filling the bottles.
t-Test
The United States Environmental Protection Agency (EPA) sets clearance levels for the amount of lead present in homes: no more than 10 micrograms per square foot on floors and no more than 100 micrograms per square foot on window sills (as of December 2020). An inspector wants to test if samples taken from units in an apartment building exceed the clearance level.
t-Test