A recent study revealed the typical American coffee drinker consumes an average of 3.1 cups per day. A sample of 12 senior citizens revealed they consumed the following amounts of coffee, reported in cups, yesterday. 3.1 3.3 3.5 2.6 2.6 4.3 4.4 3.8 3.1 4.1 3.1 3.2 a. State the null hypothesis and the alternate hypothesis. b. State the decision rule for 0.05 significance level. c. Do these sample data suggest there is a difference between the national average and the sample mean of the senior citizens? d. Determine the p-value
A recent study revealed the typical American coffee drinker consumes an average of 3.1 cups per day. A sample of 12 senior citizens revealed they consumed the following amounts of coffee, reported in cups, yesterday. 3.1 3.3 3.5 2.6 2.6 4.3 4.4 3.8 3.1 4.1 3.1 3.2 a. State the null hypothesis and the alternate hypothesis. b. State the decision rule for 0.05 significance level. c. Do these sample data suggest there is a difference between the national average and the sample mean of the senior citizens? d. Determine the p-value
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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A recent study revealed the typical American coffee drinker consumes an average of 3.1 cups per day. A sample of 12 senior citizens revealed they consumed the following amounts of coffee, reported in cups, yesterday.
3.1 | 3.3 | 3.5 | 2.6 | 2.6 | 4.3 | 4.4 | 3.8 | 3.1 | 4.1 | 3.1 | 3.2 |
a. State the null hypothesis and the alternate hypothesis.
b. State the decision rule for 0.05 significance level.
c. Do these sample data suggest there is a difference between the national average and the sample mean of the senior citizens?
d. Determine the p-value
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