a study to explore if a tutorial program has an effect on students' test scores. We randomly selected 20 students from Bayside High and recorder their test scores before and after enrolling in the tutorial program. The results are as follows: Test score data Before After Difference Mean 76.56 80.57 -4.01 St dev 14.9 2.64 16.8 Assuming the data are Normal, construct a 90% confidence for the change in mean score for Bayside high students. Round your answer to 3 decimal places. Group of answer choices
a study to explore if a tutorial program has an effect on students' test scores. We randomly selected 20 students from Bayside High and recorder their test scores before and after enrolling in the tutorial program. The results are as follows: Test score data Before After Difference Mean 76.56 80.57 -4.01 St dev 14.9 2.64 16.8 Assuming the data are Normal, construct a 90% confidence for the change in mean score for Bayside high students. Round your answer to 3 decimal places. Group of answer choices
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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We conduct a study to explore if a tutorial program has an effect on students' test scores. We randomly selected 20 students from Bayside High and recorder their test scores before and after enrolling in the tutorial program. The results are as follows:
Test score dataBefore | After | Difference | |
---|---|---|---|
Mean | 76.56 | 80.57 | -4.01 |
St dev | 14.9 | 2.64 | 16.8 |
Assuming the data are Normal, construct a 90% confidence for the change in mean score for Bayside high students. Round your answer to 3 decimal places.
Group of answer choices
(-10.506,2.486)
(-8.750.0.730)
(-9.715,1.695)
(-9.843,1.823)
(-10.506,-2.486)
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