Group Purchase price ($) Neutral 0.00 2.00 0.00 1.00 0.50 0.00 0.50 2.00 1.00 0.00 0.00 0.00 0.00 1.00 Sad 3.00 4.00 0.50 1.00 2.50 2.00 1.50 0.00 1.00 1.50 1.50 2.50 4.00 3.00 3.50 1.00 3.50 (c) State appropriate null and alternative hypotheses for comparing these two groups. (d) Perform the significance test at the a = 0.05 level, making sure to report the test statistic, degrees of freedom, and P-value. What is your conclusion? (e) Construct a 95% confidence interval for the mean difference in purchase price between the two groups.
Group Purchase price ($) Neutral 0.00 2.00 0.00 1.00 0.50 0.00 0.50 2.00 1.00 0.00 0.00 0.00 0.00 1.00 Sad 3.00 4.00 0.50 1.00 2.50 2.00 1.50 0.00 1.00 1.50 1.50 2.50 4.00 3.00 3.50 1.00 3.50 (c) State appropriate null and alternative hypotheses for comparing these two groups. (d) Perform the significance test at the a = 0.05 level, making sure to report the test statistic, degrees of freedom, and P-value. What is your conclusion? (e) Construct a 95% confidence interval for the mean difference in purchase price between the two groups.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 27PPS
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