Find the t-critical values (tcrit) that form the rejection
region for a two-tailed test with α = .05 for each of the following
sample sizes.
a. N = 10 ________2.262____________
b. N = 17 _________2.120___________
c. N = 27 _________2.056____________
1) For a two-tailed hypothesis using a z-distribution, find the
critical values (z-scores) that will give you a critical region
with an alpha of the following values:
a) alpha = 0.20
b) alpha = 0.10
c) alpha = 0.05
d) alpha = 0.01
e) alpha = 0.001
2) For a one-tailed hypothesis using a z-distribution, find the
critical value (z-score) that will give you a critical region with
an alpha of the following values:
a) alpha = 0.20
b) alpha...
Identify the critical z values and the rejection region of the
following:
a) Right-tailed test with a = 0.05
b) Left-tailed test with a = 0.025
c) Two-tailed test with a = 0.01
d) a = 0.10 with HA : p < 0.26
Determine the critical value.
Using the z-tables (or t-tables), determine the critical value
for the left-tailed z-test with α=0.01
Question options:
a)-2.326
b)2.326
c)2.576
d)-2.576
Determine the critical values for these tests of a population
standard deviation. (a) A right-tailed test with 17 degrees of
freedom at the α equals = 0.1 level of significance (b) A
left-tailed test for a sample of size n equals = 28 at the alpha α
= 0.01 level of significance (c) A two-tailed test for a sample
of size n = 22 at the alpha α = 0.1 level of significance
1. Determine the critical value of Z for a left tailed test
regarding a population mean at the alpha ?= .05 level of
significance.
2. Determine the critical value of t for a? two-tailed test of a
population mean at the alpha ?= .05 level of significance based on
a sample size of n? = 14? (13 d.f.).
3. Determine if the following statement is true or false.
When testing a hypothesis using the? P-value Approach, if the?
P-value is?...
Determine the critical values for these tests of a population
standard deviation.
1.A right-tailed test with 19 degrees of freedom at the a=0.1
level of significance
2. A left-tailed test for a sample of size n= 23 at the a=
0.01 level of significance
2. A two-tailed test for a sample of size n= 30 at the a=0.01
level of significance
1a For the following degrees of freedom, list the critical
values for a two-tailed test at a .01, .05, and .10 level of
significance.
.01
.05
.10
df =
8
___
___ ___
df =
20
___
___ ___
df =
40
___
___ ___
df = 120
___
___ ___
b. As the level of significance increases (from .01 to .10),
does the critical value increase or decrease?
c. As the degrees of freedom...