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Consider the following scenarios. I. A group of musicians count how many times they can snap their fingers in 10 seconds with their dominant hands and with their nondominant hands. They will test to see if musicians can snap faster with dominant hands than with nondominant hands. II. A group of musicians is trying to measure the effectiveness of practice time. Half of them practice a difficult piece of music for one hour each day while the other half practice two hours each day. After a week, each musician plays the piece as a judge counts the number of errors. They will test to see if more practice results in fewer errors. Which are the proper choices for the hypothesis tests? Scenario I calls for a 2 sample t-test, and Scenario II calls for a matched pairs t-test. Both scenarios require a matched pairs t-test. Scenario I calls for a matched pairs t-test, and Scenario II calls for a 2 sample t-test. Both scenarios require a 2 sample t-test.

Consider the following scenarios. I. A group of musicians count how many times they can snap their fingers in 10 seconds with their dominant hands and with their nondominant hands. They will test to see if musicians can snap faster with dominant hands than with nondominant hands. II. A group of musicians is trying to measure the effectiveness of practice time. Half of them practice a difficult piece of music for one hour each day while the other half practice two hours each day. After a week, each musician plays the piece as a judge counts the number of errors. They will test to see if more practice results in fewer errors. Which are the proper choices for the hypothesis tests? Scenario I calls for a 2 sample t-test, and Scenario II calls for a matched pairs t-test. Both scenarios require a matched pairs t-test. Scenario I calls for a matched pairs t-test, and Scenario II calls for a 2 sample t-test. Both scenarios require a 2 sample t-test.

MATLAB: An Introduction with Applications
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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Consider the following scenarios. 1. Agroup of musicians count how many times they can snap their fingers in 10 seconds with their dominant hands and with their nondominant hands. They will test to see if musicians can snap faster with dominant hands than with nondominant hands. II. A group of musicians is trying to measure the effectiveness of practice time. Half of them practice a difficult piece of music for one hour each day while the other half practice two hours each day. After a week, each musician plays the piece as a judge counts the number of errors. They will test to see if more practice results in fewer errors. Which are the proper choices for the hypothesis tests? Scenario I calls for a 2 sample t-test, and Scenario Il calls for a matched pairs t-test. Both scenarios require a matched pairs t-test. Scenario I calls for a matched pairs t-test, and Scenario Il calls for a 2 sample t-test. Both scenarios require a 2 sample t-test.
Transcribed Image Text:Consider the following scenarios. 1. Agroup of musicians count how many times they can snap their fingers in 10 seconds with their dominant hands and with their nondominant hands. They will test to see if musicians can snap faster with dominant hands than with nondominant hands. II. A group of musicians is trying to measure the effectiveness of practice time. Half of them practice a difficult piece of music for one hour each day while the other half practice two hours each day. After a week, each musician plays the piece as a judge counts the number of errors. They will test to see if more practice results in fewer errors. Which are the proper choices for the hypothesis tests? Scenario I calls for a 2 sample t-test, and Scenario Il calls for a matched pairs t-test. Both scenarios require a matched pairs t-test. Scenario I calls for a matched pairs t-test, and Scenario Il calls for a 2 sample t-test. Both scenarios require a 2 sample t-test.
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