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The wrist extension in degrees was measured for each of 36 randomly selected individuals as they used a prototype of a new computer mouse. The results were xbar = 20.4 and s=1.5. The researchers wish to test Ho : u=20 versus Ha : u > 20 at the 10% level of significance. (Extension of more than 20o is known to increase the risk of injury under repeated use.) 3. The observed significance )the p-value) of the test is about: a) 0.055

The wrist extension in degrees was measured for each of 36 randomly selected individuals as they used a prototype of a new computer mouse. The results were xbar = 20.4 and s=1.5. The researchers wish to test Ho : u=20 versus Ha : u > 20 at the 10% level of significance. (Extension of more than 20o is known to increase the risk of injury under repeated use.) 3. The observed significance )the p-value) of the test is about: a) 0.055

MATLAB: An Introduction with Applications
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 wrist extension in degrees was measured for each of 36 randomly selected individuals as they used a prototype of a new computer mouse. The results were xbar = 20.4 and s=1.5. The researchers wish to test Ho : u=20 versus Ha : u > 20 at the 10% level of significance. (Extension of more than 20o is known to increase the risk of injury under repeated use.)

3. The observed significance )the p-value) of the test is about:

a) 0.055

b) 0.020

c) 0.455

d) 0.110

e) 0.010

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