***PLEASE TYPE ANSWERS*** Five students were tested before and after taking a class to improve their study...

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***PLEASE TYPE ANSWERS***

Five students were tested before and after taking a class toimprove their study habits. They were given articles to read whichcontained a known number of facts in each story. After the storyeach student listed as many facts as he/she could recall. Thefollowing data was recorded.

Before1012141612
Atter1514171720
a.What is the alternative hypothesis?
b.What is the null hypothesis?
c.What is your conclusion, using á = 0.052tail?
d.What type error may you be making because of your conclusion inpart c?   Please show all work.
e.What is the size of effect, using Cohen’s d?

Answer & Explanation Solved by verified expert
4.1 Ratings (568 Votes)
Here we have to use paired t test The null and alternative hypotheses for this test are given as below What is the null hypothesis Null hypothesis H0 There is no improvement in study habits    See Answer
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