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 data BeforeAfterDifferenceMean76.5680.57-4.01St dev14.92.6416.8Assuming 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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Answered: a study to explore if a tutorial…

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 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

(-10.506,2.486)

(-8.750.0.730)

(-9.715,1.695)

(-9.843,1.823)

(-10.506,-2.486)

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