The University of Michigan is interested in determining if the performance of students in Advanced Statistics differs depending on whether students attend only online classes or only face to face. The final grades of 15 students who attend classes solely online was obtained as well as a further 15 students who attend classes face to face. The grades are provided in the table below:Online868691687845935963756979826847Face to Face508052929091757685445044579365a. Construct a box and whisker plot for: (i) online classes and (ii) face to face classes. b. Test, at the 5% significance level, whether there is a difference in the mean grades of the two class types. c. Confirm test results in part (b) using JASP. Note: All JASP input files and output tables should be provided

Given information: Online face to face 86 50 86 80 91 52 68 92 78 90 45 91 93 75…

Answered: The University of Michigan is…

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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The University of Michigan is interested in determining if the performance of students in
Advanced Statistics differs depending on whether students attend only online classes or only face
to face. The final grades of 15 students who attend classes solely online was obtained as well as a
further 15 students who attend classes face to face. The grades are provided in the table below:

Online	86	86	91	68	78	45	93	59	63	75	69	79	82	68	47
Face to Face	50	80	52	92	90	91	75	76	85	44	50	44	57	93	65

a. Construct a box and whisker plot for: (i) online classes and (ii) face to face classes.
b. Test, at the 5% significance level, whether there is a difference in the mean grades of
the two class types.
c. Confirm test results in part (b) using JASP. Note: All JASP input files and output
tables should be provided

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