Answered: a) For t=1.826, should you reject or…

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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Question

State whether the standardized test statistic t indicates that you should reject the null hypothesis. Explain.

(a)

t=1.826

(b)

t=0

(c)

t=−1.751

(d)

t=−1.822

-404t

t0=−1.767

A normal curve is over a horizontal axis labeled z from negative 4 to 4 in increments of 1 and is centered on 0. Vertical line segments extend from the horizontal axis to the curve at t@Sub{0}=negative 1.767, where t@Sub{0}=negative 1.767 is to the right of 0. The area under the curve to the right of t@Sub{0}=negative 1.767 is shaded.

(a) For

t=1.826,

should you reject or fail to reject the null hypothesis?

Reject

H0,

because

t>−1.767.

Fail to reject

H0,

because

t<−1.767.

Fail to reject

H0,

because

t>−1.767.

Reject

H0,

because

t<−1.767.

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