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Name: Alligators perform a spinning maneuver, referred to as a "death roll
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Description: Alligators perform a spinning maneuver, referred to as a "death roll," to subdue their prey. In a study of alligator death rolls, one of the variables measured was the degree of the angle between the body and head of the alligator while performing

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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Alligators perform a spinning maneuver, referred to as a "death roll," to subdue their prey. In a study of alligator death rolls, one of the variables measured was the degree of the angle between the body and head of the alligator while performing the roll. A sample of

rolls yielded the data provided below, in degrees. At the

10%

significance level, do the data provide sufficient evidence to conclude that, on average, the angle between the body and head of an alligator during a death roll is greater than

47°?

(Note:

x=48.48°

and

s=11.618°.

Preliminary data analyses indicate that you can reasonably use a t-test to conduct the hypothesis test.)

The test statistic is

t=?

The P-value is?

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