A. Complete the table below for the summary of critical values and draw its respective rejection region. Level of Significance Two – Tailed Test One Tailed Test Left – Tailed Test: 8% or a = 0.08 Right – Tailed Test: Left – Tailed Test: 4% or a = 0.04 Right – Tailed Test:
A. Complete the table below for the summary of critical values and draw its respective rejection region. Level of Significance Two – Tailed Test One Tailed Test Left – Tailed Test: 8% or a = 0.08 Right – Tailed Test: Left – Tailed Test: 4% or a = 0.04 Right – Tailed Test:
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 4GP
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Question
Please also provide the drawing of curve/rejection region for each item as shown on the examples. Thanks.

Transcribed Image Text:EXAMPLE
1. Find the critical value and rejection region for a left – 2. Find the critical values and rejection regions for a two-
tailed test with significance level of 1% or a = 0.01.
tailed test with a = 0.05
Since the test is left – tailed, then the critical value (za)
Since the test is two – tailed test, the critical region
corresponds to an area of 0.01.
1
corresponds to -a = 0.025 and 1
1
-a = 0.975.
2
Using the z- table, identify an area as close as possible
to the given area. This area falls between z = -2.32 and z=-
2.33. We get the critical value for a = 0.01 by getting the areas 0.025 and 0.975 are -1.96 and 1.96, respectively. So,
Using the z – table, the z- scores that correspond to the
- 2.32 + -2.33
the critical values are zo = -1.96 and zo=1.96.
mean of the two z values: z.
-2.325.
The rejection regions are to the left of -1.96 and to the
right of 1.96.
2
Thus, the critical value is zo = -2.325 or -2.33.
= 0.025
a = 0.975
a = 0.01
2, =-2.33
2, = -1.96
2, =1.96
АСTIVITY
A. Complete the table below for the summary of critical values and draw its respective rejection region.
Level of Significance
Two – Tailed Test
One Tailed Test
Left – Tailed Test:
8% or a = 0.08
Right – Tailed Test:
Left – Tailed Test:
Right – Tailed Test:
4% or a = 0.04
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