Question

Determine the critical value(s) of the test statistic for each of the following small sample tests for the population mean where the assumption of normality is satisfied. Round your answer to four decimal places.

Step 1 of 3:

Left-tailed test,α=0.1,n=9

Step 2 of 3:

Right-tailed test ,α=0.05,n=23

Two-tailed test, α=0.1,n=27 (negative and positive critical values)

Answer #1

Determine the critical value(s) of the test statistic for each
of the following small sample tests for the population mean where
the assumption of normality is satisfied. Round your answer to four
decimal places.
Left-tailed test,α=0.01,n=24
Right-tailed test ,α=0.1,n=8
Two-tailed test, α=0.05,n=12
A high school principle currently encourages students to enroll
in a specific SAT prep program that has a reputation of improving
score by 50 points on average. A new SAT prep program has been
released and claims to...

Complete parts (a) through (c) below.
(a) Determine the critical value(s) for a right-tailed test
of a population mean at the α=0.01 level of significance with 20
degrees of freedom.
(b) Determine the critical value(s) for a left-tailed test of
a population mean at the α=0.05 level of significance based on a
sample size of n =15
(c) Determine the critical value(s) for a two-tailed test of
a population mean at the α =0.01 level of significance based on a...

Complete parts (a) through (c) below.
(a) Determine the critical value(s) for a right-tailed test
of a population mean at the alphaα=.10 with 15 degrees of freedom.
tcrit=
b) Determine the critical value(s) for a left-tailed test of a
population mean at the α=0.05 level of significance based on a
sample size of n=20
c) Determine the critical value(s) for a two-tailed test of a
population mean at the α=.01 level of significance based on a
sample size of n=18

12.
Calculate the critical z-value(s) for each of the given
hypothesis test scenarios below. If mulitple critical values exist
for a single scenario, enter the solutions using a comma-separated
list. Round z-values to two decimal places.
Find the critical z-value(s) for a left-tailed test of
hypothesis for a mean, assuming the population standard deviation
is known, with a sample size of 98 and let α=0.005.
z=
Find the critical z-value(s) for a right-tailed test of
hypothesis for a mean, assuming...

14.
Calculate the critical t-value(s) for each of the given
hypothesis test scenarios below. If mulitple critical values exist
for a single scenario, enter the solutions using a comma-separated
list. Round t-values to four decimal places.
Find the critical t-value(s) for a left-tailed test of
hypothesis for a mean, assuming the population standard deviation
is unknown, with a sample size of 25 and let α=0.005.
t=
Find the critical t-value(s) for a right-tailed test of
hypothesis for a mean, assuming...

Determine the appropriate critical value(s) for each of the
following tests concerning the population mean:
a. upper-tailed test:
alphaαequals=0.10
nequals=25
sigmaσequals=3.0
b. lower-tailed test:
alphaαequals=0.01
nequals=26
sequals=7.0
c. two-tailed test:
alphaαequals=0.02
nequals=51
sequals=5.9
d. two-tailed test:
alphaαequals=0.05
nequals=36
sigmaσequals=5.5
(Round to two decimal places as needed. Use a comma to separate
answers as needed.)

Use the appropriate table to find each of the following. Draw
and label a sketch of the distribution.
What are the critical values for a two-tailed T test with α =
0.02 and n = 27?
9. What is the critical value for a left-tailed χ2
test with α = 0.05 and n = 13?
10. What are the critical values for a two-tailed χ2
test with α = 0.01 and n = 24?

1) Find the critical values t for a left-tailed test -t with
alpha=0.99 and n=17
2) Find the critical values t for a right-tailed test with
alpha=0.01 and n=21
3) Find the critical values t and -t for a two-tailed test with
alpha=0.05 and n=26

Determine the critical value for a left-tailed test of a
population mean at the α = 0.025 level of significance based on a
sample size of n = 18.

Find the critical values for a a. right tailed F test when α
=0.05 and n1=10 and n2=12. b. left tailed F test when α =0.05 and
ν1=11 and ν2=16. c. two tailed F test when α =0.05 and ν1=21 and
ν2=16.

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