A hypothesis test is to be performed for a population mean with null hypothesis =:H0μμ0. The test statistic used will be =z−xμ0/σn.Find the critical value(s) for a two-tailed test with =α0.2 and draw a graph that illustrates your answer. yx1234-1-2-3-4RejectH0Do not rejectH0RejectH0−0.250.250z yx1234-1-2-3-4RejectH0Do not rejectH0RejectH0−0.840z −0.25, 0.25 −0.84 yx1234-1-2-3-4RejectH0Do not rejectH0RejectH0−1.281.280.10.10z yx1234-1-2-3-4RejectH0Do not rejectH0RejectH0−0.840.840z −1.28, 1.28 −0.84, 0.84

The given level of significance is 0.2.

Answered: hypothesis test is to be performed for…

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter1: Functions

Section1.2: The Least Square Line

Problem 1E

Related questions

Question

A hypothesis test is to be performed for a population mean with null hypothesis

=:H0μμ0

. The test statistic used will be

=z−xμ0/σn

Find the critical value(s) for a two-tailed test with

=α0.2

and draw a graph that illustrates your answer.

y x 1 2 3 4 -1 -2 -3 -4 RejectH0 Do not rejectH0 RejectH0 −0.25 0.25 0 z		y x 1 2 3 4 -1 -2 -3 -4 RejectH0 Do not rejectH0 RejectH0 −0.84 0 z
−0.25, 0.25		−0.84
y x 1 2 3 4 -1 -2 -3 -4 RejectH0 Do not rejectH0 RejectH0 −1.28 1.28 0.1 0.1 0 z		y x 1 2 3 4 -1 -2 -3 -4 RejectH0 Do not rejectH0 RejectH0 −0.84 0.84 0 z
−1.28, 1.28		−0.84, 0.84