Part 1. 1) You find 6 people who listen to mood music regularly. They report that the average number of hours per week which they listen to mood music is 3.25, with a standard error of 1.5. Use the T-distribution calculator to answer the following questions: a) between 3 and 5 hours per week? Round to the nearest 0.1%. Based on this sample, what percent of mood music listeners listen to mood music You define a "hard core listener" as someone who listens to more mood music than b) 90% of other listeners. Based on this sample, how many hours per week does someone have to listen to mood music to be considered a "hard core listener?" (Round to the nearest 0.1 hour.) Use the T-distribution calculator to generate a 95% confidence interval (rounded appropriately to the nearest 0.1 hour/week) regarding the average number of hours/week which listeners of mood music spend listening to it d) You want to be 95% confident that people who listen to mood music listen to an average of more than 2.5 hours per week in order for it to be worth marketing a multi-CD compilation. i) Write HA, Ho, and a. Run a T-test. What is the p-value? Round to the nearest 0.001. Are you ready to authorize the multi-CD mood music compilation at this time? iii) (For credit, your answer must be both correct and consistent with your answer is part ii.)
Part 1. 1) You find 6 people who listen to mood music regularly. They report that the average number of hours per week which they listen to mood music is 3.25, with a standard error of 1.5. Use the T-distribution calculator to answer the following questions: a) between 3 and 5 hours per week? Round to the nearest 0.1%. Based on this sample, what percent of mood music listeners listen to mood music You define a "hard core listener" as someone who listens to more mood music than b) 90% of other listeners. Based on this sample, how many hours per week does someone have to listen to mood music to be considered a "hard core listener?" (Round to the nearest 0.1 hour.) Use the T-distribution calculator to generate a 95% confidence interval (rounded appropriately to the nearest 0.1 hour/week) regarding the average number of hours/week which listeners of mood music spend listening to it d) You want to be 95% confident that people who listen to mood music listen to an average of more than 2.5 hours per week in order for it to be worth marketing a multi-CD compilation. i) Write HA, Ho, and a. Run a T-test. What is the p-value? Round to the nearest 0.001. Are you ready to authorize the multi-CD mood music compilation at this time? iii) (For credit, your answer must be both correct and consistent with your answer is part ii.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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help with part 1
Transcribed Image Text:Part 1.
1) You find 6 people who listen to mood music regularly. They report that the average number
of hours per week which they listen to mood music is 3.25, with a standard error of 1.5. Use the
T-distribution calculator to answer the following questions:
a)
between 3 and 5 hours per week? Round to the nearest 0.1%.
Based on this sample, what percent of mood music listeners listen to mood music
You define a “hard core listener" as someone who listens to more mood music than
b)
90% of other listeners. Based on this sample, how many hours per week does someone have to
listen to mood music to be considered a "hard core listener?" (Round to the nearest 0.1 hour.)
c) I
appropriately to the nearest 0.1 hour/week) regarding the average number of hours/week which
listeners of mood music spend listening to it
Use the T-distribution calculator to generate a 95% confidence interval (rounded
d) You want to be 95% confident that people who listen to mood music listen to an average of
more than 2.5 hours per week in order for it to be worth marketing a multi-CD compilation.
i)
:
Write HA, Họ, and a.
ii)
Run a T-test. What is the p-value? Round to the nearest 0.001.
iii) Are you ready to authorize the multi-CD mood music compilation at this time?
(For credit, your answer must be both correct and consistent with your answer is part ii.)
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