to listen to it daily for a week. After a week, people who "did their homework" (- listened to the The third intern surveys people about their moods, then gives them the mood music and are told mood music daily) are surveyed on their moods, using the same scale as the second intern. 10 people stick with the program for the full week: Amelia Brett Camille Derek Elise Ferdinand Greta Holly Isaac Jenny Initial mood 6 5 2 6 4 8 5 4 4 7 Mood after listening to the music for a week 8.5 7 5 8 5 9.5 7.5 4 6 6.5 He only will claim that mood music improves people's mood if he can state with 90% certainty that it improves people's average mood by more than 1. k)] Write Ho, HA, and a. 1)s] Using graphpad, run the appropriate type of T-test. What is the p-value? Round to the nearest 0.001. m Based on this survey, can the intern make the claim that the music improves people's average mood by more than 1 on a 0-to-10 scale? For credit, your answer must be both correct and consistent with your answer in part j. n) Generate a 98% confidence interval regarding the average improvement of people who listen to mood music. Round appropriately to the 0.01. o) [Suppose you learn that, in the third intern's study, there were 34 additional people who were given the CD, but didn't listen to it daily, so they were discarded from the survey. Make a case as to how this study is likely to produce biased results, and name/describe the type of bias produced.
to listen to it daily for a week. After a week, people who "did their homework" (- listened to the The third intern surveys people about their moods, then gives them the mood music and are told mood music daily) are surveyed on their moods, using the same scale as the second intern. 10 people stick with the program for the full week: Amelia Brett Camille Derek Elise Ferdinand Greta Holly Isaac Jenny Initial mood 6 5 2 6 4 8 5 4 4 7 Mood after listening to the music for a week 8.5 7 5 8 5 9.5 7.5 4 6 6.5 He only will claim that mood music improves people's mood if he can state with 90% certainty that it improves people's average mood by more than 1. k)] Write Ho, HA, and a. 1)s] Using graphpad, run the appropriate type of T-test. What is the p-value? Round to the nearest 0.001. m Based on this survey, can the intern make the claim that the music improves people's average mood by more than 1 on a 0-to-10 scale? For credit, your answer must be both correct and consistent with your answer in part j. n) Generate a 98% confidence interval regarding the average improvement of people who listen to mood music. Round appropriately to the 0.01. o) [Suppose you learn that, in the third intern's study, there were 34 additional people who were given the CD, but didn't listen to it daily, so they were discarded from the survey. Make a case as to how this study is likely to produce biased results, and name/describe the type of bias produced.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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