Find the critical value of t given the
following.
t0.05 for a t-distribution with 34 degrees of
freedom
1.691 b. 2.728 c. 2.032 d. 2.441
Use the confidence level and sample data to find the
margin of error E.
Weights of eggs: 90% confidence; n =
40, = 1.54 oz., s = 0.41 oz.
0.107
oz. b. 0.109
oz. c. 0.112
oz. d. 0.030
oz.
Use the confidence level and sample data to find a
confidence interval for estimating the population μ.
Weights of eggs: 90% confidence; n =
40, = 1.54 oz., s = 0.41 oz.
1.433...
a) The critical value of t for a 99% confidence interval with
df equals=88.
b) The critical value of t for a 90% confidence interval with
df equals=107.
a.) Given: 3.01 < μ < 3.69. Find the margin of error.
b.) Find the critical value tα/2 that
corresponds to a confidence level of 90% and a sample size of
10.
c.) Find the positive critical value zα/2
that corresponds to a confidence level of 98.02%.
Find the critical value
t/α2
needed to construct a confidence interval of the given level
with the given sample size. Round the answers to three decimal
places.
(a) For level
99%
and sample size
9
(b) For level
99.5%
and sample size
14
(c) For level
80%
and sample size
29
(d) For level
90%
and sample size
11
What is the critical value of F? Show df.k=6 n=6 (between-subjects design)
What is the critical value of F? Show df.k=3 n=10 (between-subjects design)
What is the critical value of F? Show df.
k=6 N=6 (within-subjects design)
What is the critical value of F? Show df.
k=3 N=10 (within-subjects design)
What is the critical value of F? Show df.
k=4 N=8 (within-subjects design)
Part 1. For a 95% confidence interval for u when df = 19, the
t-critical value is _______
Part 2: For a 90% confidence interval for u when df = 19, the
t-critical value is _______
Part 3: For a 99% confidence interval for u when df = 19, the
t-critical value is _______
Part 4: For a 95% confidence interval for u when df = 42, the
t-critical value is _______
Part 5: For a 99% confidence interval for...
Given the following hypothesis: H0 : μ ≤ 10 H1 : μ > 10 For a
random sample of 10 observations, the sample mean was 11 and the
sample standard deviation 4.20. Using the .10 significance
level:
(a) State the decision rule. (Round your answer to 3 decimal
places.) _____ H0 if t >
(b) Compute the value of the test statistic. (Round your answer
to 2 decimal places.) Value of the test statistic ____
(c) What is your decision...
Given the following hypothesis:
H0 : μ ≤ 11
H1 : μ > 11
For a random sample of 10 observations, the sample mean was 13
and the sample standard deviation 4.20. Using the .05 significance
level:
(a) State the decision rule. (Round your answer to 3 decimal
places.)
Reject or don't reject? H0 if t > ?
(b) Compute the value of the test statistic. (Round your answer
to 2 decimal places.)
Value of the test statistic :
(c)...