Question
In: Statistics and Probability
You wish to test the following claim (Ha ) at a significance level of α=0.10 ...
You wish to test the following claim (Ha ) at a significance
level of α=0.10
Ho:μ1=μ2
Ha:μ1≠μ2
You obtain the following two samples of data.
| Sample #1 | Sample #2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
What is the test statistic for this sample? (Report answer accurate
to three decimal places.)
test statistic =
What is the p-value for this sample? For this calculation, use the
degrees of freedom reported from the technology you are using.
(Report answer accurate to four decimal places.)
p-value =
Solutions
orchestra answered 2 years agoRelated Solutions
You wish to test the following claim (Ha) at a significance level of α=0.10. Ho:μ1=μ2...
You wish to test the following claim (Ha) at a significance
level of α=0.10.
Ho:μ1=μ2
Ha:μ1≠μ2
You believe both populations are normally distributed, but you do
not know the standard deviations for either. However, you also have
no reason to believe the variances of the two populations are not
equal. You obtain a sample of size n1=25 with a mean of M1=77.7 and
a standard deviation of SD1=11.4 from the first population. You
obtain a sample of size...
You wish to test the following claim (Ha) at a significance level of α=0.10. Ho:p1=p2...
You wish to test the following claim (Ha) at a significance
level of α=0.10.
Ho:p1=p2
Ha:p1<p2
You obtain 96% successes in a sample of size n1=375 from the first
population. You obtain 99.1% successes in a sample of size n2=222
from the second population. For this test, you should NOT use the
continuity correction, and you should use the normal distribution
as an approximation for the binomial distribution.
What is the test statistic for this sample? (Report answer...
You wish to test the following claim (Ha) at a significance level of α=0.10. Ho:p1=p2...
You wish to test the following claim (Ha) at a significance
level of α=0.10.
Ho:p1=p2
Ha:p1<p2
You obtain a sample from the first population with 193 successes
and 355 failures. You obtain a sample from the second population
with 303 successes and 464 failures. For this test, you should NOT
use the continuity correction, and you should use the normal
distribution as an approximation for the binomial
distribution.
What is the critical value for this test? (Report answer...
1. You wish to test the following claim (Ha) at a significance level of α=0.10. Ho:μ=53.2...
1. You wish to test the following claim (Ha) at a significance
level of α=0.10.
Ho:μ=53.2
Ha:μ<53.2
You believe the population is normally distributed, but you do not
know the standard deviation. You obtain a sample of size n=33 with
a mean of M=48.9 and a standard deviation of SD=7.4.
a) What is the critical value for this test? (Report answer
accurate to three decimal places.)
critical value =
b) What is the test statistic for this sample? (Report answer...
You wish to test the following claim (Ha) at a significance level of α=0.10. Ho:μ1=μ2 Ha:μ1≠μ2...
You wish to test the following claim (Ha) at a significance
level of α=0.10.
Ho:μ1=μ2
Ha:μ1≠μ2
You obtain the following two samples of data.
Sample #1
Sample #2
93.1
95.7
111.5
97.6
84.8
89.2
101.5
87.5
92.2
105.5
65.3
102
75.5
65.3
94.4
97.6
95.7
101
125.6
72
81.5
69.5
109
66.5
85.7
113.4
93.5
99.5
94.8
74.2
87.9
68.6
90.5
130.3
80.5
83
87.5
91.4
108.2
62.4
89.6
98.5
106.8
103.1
88.8
83.4
67.6
103.1
107.5
108.2
90.1
72.8...
You wish to test the following claim (Ha) at a significance level of α=0.10. Ho:μ=71.4 Ha:μ≠71.4...
You wish to test the following claim (Ha) at a significance
level of α=0.10.
Ho:μ=71.4
Ha:μ≠71.4
You believe the population is normally distributed, but you do not
know the standard deviation. You obtain a sample of size n=74 with
mean M=69.6 and a standard deviation of SD=6.5.
What is the test statistic for this sample? (Report answer accurate
to three decimal places.)
test statistic =
What is the p-value for this sample? (Report answer accurate to
four decimal places.)
p-value...
You wish to test the following claim (Ha) at a significance level of α=0.005.
You wish to test the following claim (Ha) at a significance
level of α=0.005.
Ho:μ1=μ2
Ha:μ1>μ2
You believe both populations are normally distributed, but you do
not know the standard deviations for either. However, you also have
no reason to believe the variances of the two populations are not
equal. You obtain a sample of size n1=15 with a mean of M1=88.3 and
a standard deviation of SD1=7.1 from the first population. You
obtain a sample of size n2=27 with...
You wish to test the following claim (Ha) at a significance level of α=0.002. For the...
You wish to test the following claim (Ha) at a significance
level of α=0.002. For the context of this problem,
μd=PostTest−PreTest where the first data set represents a pre-test
and the second data set represents a post-test. (Each row
represents the pre and post test scores for an individual. Be
careful when you enter your data and specify what your μ1 and μ2
are so that the differences are computed correctly.) Ho:μd=0
Ha:μd≠0 You believe the population of difference scores...
You wish to test the following claim (Ha) at a significance level of α = 0.05....
You wish to test the following claim (Ha) at a significance
level of α = 0.05.
Ho: μ = 58.9
Ha: μ < 58.9
You believe the population is normally distributed, but you do
not know the standard deviation. You obtain a sample of size n = 34
with mean M = 54.2 and a standard deviation of SD = 8.3.
1. What is the test statistic for this sample? (Report
answer accurate to THREE decimal places.)
test statistic =...
You wish to test the following claim (HaHa) at a significance level of α=0.10α=0.10. For the...
You wish to test the following claim (HaHa) at a significance
level of α=0.10α=0.10. For the context of this problem,
μd=μ2−μ1μd=μ2-μ1 where the first data set represents a pre-test and
the second data set represents a post-test.
Ho:μd=0Ho:μd=0
Ha:μd<0Ha:μd<0
You believe the population of difference scores is normally
distributed, but you do not know the standard deviation. You obtain
pre-test and post-test samples for n=20n=20 subjects. The average
difference (post - pre) is ¯d=−7.1d¯=-7.1 with a standard deviation
of the...
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