Could someone help me with the attached question. thanks!
Consumption of large amounts of
alcohol is known to increase reaction
time. Toinvestigate the effects of small
amounts of alcohol, reaction time was
recorded for fiveindividuals before and
after the consumption of 2 ounces of
alcohol. Do the data belowsuggest that
consumption of 2 ounces of alcohol
increases mean reaction time?
Reaction Time (seconds)
Subject Before After 1 6 7 2 8 8 3 4 6 4 7 9 5 9 8 Assume we want to use a 0.05 significance level to test the claim.
(a) Identify the null hypothesis and the alternative hypothesis.
(b) Determine the test statistic. Show all work; writing the correct test statistic, without supporting work,
will receive no credit.
(c) Determine the P-value. Show all work; writing the correct P-value, without supporting work, will
receive no credit.
(d) Is there sufficient evidence to support the claim that consumption of 2 ounces of alcohol increases
mean reaction time? Justify your conclusion.
This question was answered on: Jan 30, 2021
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