Mathematics, 19.07.2021 17:00 JAlvelo
An education researcher would like to test whether 2nd graders retain or lose knowledge during the summer when they are presumably not in school. She asks nine 2nd graders to take a comprehension exam at the end of the school year (May), and then asks those same students to come back after the summer (late August) to retake a different but equivalent exam, to see if their level of comprehension has changed. Using the data below, test this hypothesis using an (alpha level of 0.05.)
May August
95 100
72 80
78 95
50 65
89 85
92 98
75 70
90 96
65 87
Required:
What is the appropirate test?
Answers: 1
Mathematics, 21.06.2019 20:40
Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.
Answers: 3
Mathematics, 21.06.2019 23:30
Use the ratio test to determine whether ān=14ān+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for nā„14, limnāāā£ā£ā£an+1anā£ā£ā£=limnāā.
Answers: 3
An education researcher would like to test whether 2nd graders retain or lose knowledge during the s...
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