1) You wish to test the following claim (HaHa) at a significance
level of α=0.02α=0.02. 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=19n=19 subjects. The average
difference (post - pre) is ¯d=−1d¯=-1 with a standard deviation of
the differences of sd=6.5sd=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 =
The p-value is...
This test statistic leads to a decision to...
As such, the final conclusion is that...
1) You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02. For...
You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02. 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 the following sample of data: pre-test post-test 51.7 4.2 57 33.6 34.7 12.7 44 16.3 25.3 10.3 48 47.3 What is...
You wish to test the following claim (HaHa) at a significance level of α=0.01α=0.01. 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=19n=19 subjects. The average difference (post - pre) is ¯d=−9.5d¯=-9.5 with a standard deviation of the...
You wish to test the following claim (HaHa) at a significance level of α=0.001α=0.001. 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=12n=12 subjects. The average difference (post - pre) is ¯d=13.9d¯=13.9 with a standard deviation of the...
You wish to test the following claim (HAHA) at a significance level of α=0.01α=0.01. For the context of this problem, μd=μ2−μ1μd=μ2-μ1 where the first data set represents pre-strike production and the second data set represents post-strike production. Ho:μd=0Ho:μd=0 HA:μd<0HA:μd<0 You believe the population difference of production is normally distributed, but you do not know the standard deviation. You obtain pre-strike and post-strike production samples for n=6n=6 subjects. The average difference (post - pre) is ¯d=−47.4d¯=-47.4 with a standard deviation of...
You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05. 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=8n=8 subjects. The average difference (post - pre) is ¯d=5.2d¯=5.2 with a standard deviation of the...
You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02. For the context of this problem, μd=PostTest−PreTestμd=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 μ1μ1 and μ2μ2 are so that the differences are computed correctly.) Ho:μd=0 Ha:μd≠0 You believe the population of difference...
You wish to test the following claim (HaHa) at a significance level of α=0.005α=0.005. For the context of this problem, one data set represents a pre-test and the other 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=329n=329 subjects. The average difference (post - pre) is ¯d=−1.8d¯=-1.8 with a standard deviation of the differences of...
You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02. Ho:μ=59.6Ho:μ=59.6 Ha:μ<59.6Ha:μ<59.6 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=6n=6 with mean M=56.5M=56.5 and a standard deviation of SD=6.8SD=6.8. 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...
You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02. Ho:μ=74.5 Ha:μ<74.5 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=13with mean ¯x=72.4 and a standard deviation of s=14.8 What is the test statistic for this sample? test statistic = Round to 3 decimal places What is the p-value for this sample? p-value = Use Technology Round to 4 decimal places. The p-value is......
You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02. Ho:μ=89.4Ho:μ=89.4 Ha:μ<89.4Ha:μ<89.4 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=32n=32 with mean M=83.7M=83.7 and a standard deviation of SD=8.7SD=8.7. 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...