A teacher is interested in exploring whether a new method for teaching multiplication improves student’s learning. He randomly assigns 6 students to learn multiplication using the newly developed method. 5 other students learn multiplication using the traditional teaching method. He then gives them a multiplication quiz to assess their learning. Below are their scores.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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  1. A teacher is interested in exploring whether a new method for teaching multiplication improves student’s learning. He randomly assigns 6 students to learn multiplication using the newly developed method. 5 other students learn multiplication using the traditional teaching method. He then gives them a multiplication quiz to assess their learning. Below are their scores.

 

New Method

 

Old Method

Participant #

Score

 

Participant #

Score

1

7

 

7

6

2

8

 

8

7

3

6

 

9

5

4

7

 

10

7

5

9

 

11

4

6

7

 

12

5

 

 What kind of analysis will you use? Why?

 State the null and alternative hypothesis.

 

 Check your assumptions. Explain why each of them are or are not met.

 

 Sketch a distribution and shade the rejection region(s), including the corresponding critical value(s).

 

 Using R, calculate your test statistic and interpret the results of your test. (Don’t forget your 95% confidence interval and screenshots of your work!)

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