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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
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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Purchase price ($) Neutral 0.00 2.00 0.00 1.00 0.50 0.00 0.50 2.00 1.00 0.00 0.00 0.00 0.00 1.00 Group Sad 3.00 4.00 0.50 1.00 2.50 2.00 1.50 0.00 1.00 1.50 1.50 2.50 4.00 3.00 3.50 1.00 3.50 (c) State appropriate null and alternative hypotheses for comparing these two groups. (d) Perform the significance test at the a = 0.05 level, making sure to report the test statistic, degrees of freedom, and P-value. What is your conclusion? (e) Construct a 95% confidence interval for the mean difference in purchase price between the two groups. tod r
Transcribed Image Text:Purchase price ($) 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 Group 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. tod r
7.67 Sadness and spending. The "misery is not miserly" phenomenon refers to a person's spending judgment going haywire when the person is sad. In a study, 31 young adults were given $10 and randomly assigned to either a sad or a neutral group. The participants in the sad group watched a video about the death of a boy's mentor (from The Champ), and those in the neutral group watched a video on the Great Barrier Reef. After the video, each participant was offered the chance to trade $0.50 increments of the $10 for an insulated water bottle.33 Here are the data: SADNESS
Transcribed Image Text:7.67 Sadness and spending. The "misery is not miserly" phenomenon refers to a person's spending judgment going haywire when the person is sad. In a study, 31 young adults were given $10 and randomly assigned to either a sad or a neutral group. The participants in the sad group watched a video about the death of a boy's mentor (from The Champ), and those in the neutral group watched a video on the Great Barrier Reef. After the video, each participant was offered the chance to trade $0.50 increments of the $10 for an insulated water bottle.33 Here are the data: SADNESS
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