If we wanted to test whether the average number of errors made by those who drank ethanol differed significantly from the average number of errors made by the placebo group, then the name of the hypothesis test we would use is

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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An experiment was conducted to test the effects of alcohol. The errors were recorded in a visual and motor skills test for treatment groups of people who drank ethanol, and another group was given a placebo. If we wanted to test whether the average number of errors made by those who drank ethanol differed significantly from the average number of errors made by the placebo group, then the name of the hypothesis test we would use is

a) Pearson Correlation
b) Independent Samples t-test
c) Paired Samples t-test
d) Chi-Square test
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