Question

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?

Answer #1

Use the appropriate table to find each of the following. Draw
and label a sketch of the distribution.
- What is the critical value for a right-tailed Z test with α =
0.08?
- What are the critical values for a two-tailed Z test with α =
0.04?
- What is the critical value for a left-tailed T test with α =
0.10 and n = 18?

Using a table of critical t-values of the of the t distribution,
find the range of values for the P-value for testing a claim about
the mean body temperature of healthy adults for left-tailed with
n=10 and test statistic t = -2.492
What is the range of values for the P Value?
A) 0.025 < P value < 0.05
B) P Value < 0.005
C) 0.01 < P value < 0.025
D) 0.005 < P value < 0.01

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

Find the χ2 critical values if you are conducting a χ2-two
tailed test based on a simple random sample of size 7, and using a
significance level α=0.02.
The left critical value is
The right critical value is

The Student's t distribution table gives critical
values for the Student's t distribution. Use an
appropriate d.f. as the row header. For a
right-tailed test, the column header is the value of
α found in the one-tail area row. For a
left-tailed test, the column header is the value of
α found in the one-tail area row, but you must
change the sign of the critical value t to −t.
For a two-tailed test, the column header is the value...

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)

The Student's t distribution table gives critical
values for the Student's t distribution. Use an
appropriate d.f. as the row header. For a
right-tailed test, the column header is the value of
α found in the one-tail area row. For a
left-tailed test, the column header is the value of
α found in the one-tail area row, but you must
change the sign of the critical value t to −t.
For a two-tailed test, the column header is the value...

The Student's t distribution table gives critical
values for the Student's t distribution. Use an
appropriate d.f. as the row header. For a
right-tailed test, the column header is the value of
α found in the one-tail arearow. For a
left-tailed test, the column header is the value of
α found in the one-tail area row, but you must
change the sign of the critical value t to −t.
For a two-tailed test, the column header is the value of...

11) α = 0.05 for a two-tailed test.
A) ±1.764 B) ±2.575 C) ±1.96 D) ±1.645
12) α = 0.09 for a right-tailed test.
A) ±1.96 B) 1.96 C) 1.34 D) ±1.34
13) α = 0.05 for a left-tailed test.
A) -1.96 B) ±1.96 C) ±1.645 D) -1.645
16) Find the critical value for a right-tailed test with α = 0.01
and n = 75.
A) 2.33 B) 1.645 C) 2.575 D) 1.96
17) Find the critical value for a...

A medical researcher is interested in whether patients' left
arms or right arms are longer. If 13 patients participate in this
study (so that n left arms and n left arms are measured), how many
degrees of freedom should the researcher use in her t-test critical
value?
a)24
b)12
c)13
d)25
Using the z-table (Table E), find the critical value (or values)
for a α = .14 right-tailed test.-
a)0.5402
b)0.7879
c)1.5758
d)1.0803

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