Answered: 40 35 30 25 Finger Out Inverted Normal…

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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Frisbee throws A student performed an experiment
with three different grips to see what effect it might have
on the distance of a backhanded Frisbee throw. She tried
it with her normal grip, with one finger out, and with
the Frisbee inverted. She measured in paces how far
her throw went. The boxplots and the ANOVA table for
the three grips are shown below:

Source DF
Sum of
Squares
Mean
Square F-Ratio P-Value
Grip 2 58.58333 29.2917 2.0453 0.1543
Error 21 300.75000 14.3214
Total 23 359.33333
a) State the hypotheses about the grips.

b) Assuming that the assumptions for inference are satis-
fied, perform the hypothesis test and state your conclu-
sion. Be sure to state it in terms of Frisbee grips and

distance thrown.
c) Would it be appropriate to follow up this study with
multiple comparisons to see which grips differ in their
mean distance thrown? Explain.

40
35
30
25
Finger Out
Inverted
Normal
Grip
Distance (paces)

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