The grade point average of four randomly selected college students is recorded at the end of the fall and spring semesters of their senior year, as follows: Student 1 Fall 2.0 2 1.2 2.1 3 1.8 2.1 Spring Construct a 90% confidence interval for the mean difference in GPA. Round your answers to three decimal places, and use four decimal places for any interim calculations. 1.7 4 We are 90% confident that the interval ( GPA between fall and spring semesters. 1.4 1.5 contains the true mean difference μd in

MATLAB: An Introduction with Applications
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The grade point average of four randomly selected college students is recorded at the end of the fall and
spring semesters of their senior year, as follows:
Student
Fall
1
2.0
2
1.2
2.1
3
1.8
2.1
Spring
Construct a 90% confidence interval for the mean difference in GPA. Round your answers to three decimal
places, and use four decimal places for any interim calculations.
1.7
4
We are 90% confident that the interval (
GPA between fall and spring semesters.
1.4
1.5
contains the true mean difference in
Transcribed Image Text:The grade point average of four randomly selected college students is recorded at the end of the fall and spring semesters of their senior year, as follows: Student Fall 1 2.0 2 1.2 2.1 3 1.8 2.1 Spring Construct a 90% confidence interval for the mean difference in GPA. Round your answers to three decimal places, and use four decimal places for any interim calculations. 1.7 4 We are 90% confident that the interval ( GPA between fall and spring semesters. 1.4 1.5 contains the true mean difference in
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