Homework Answers
Solution:-
25) (d) Reject H0 and accept Ha at =
5%.
State the hypotheses. The first step is to state the null hypothesis and an alternative hypothesis.
Null hypothesis: u < x
Alternative hypothesis: u > x
Note that these hypotheses constitute a one-tailed test.
z = 2.09
zcritical = 1.65
Interpret results. Since the z-value (2.09) lies in the rejection region, hence we have to reject the null hypothesis.
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25. Given a test statistic of 2.09 paired with a critical z-score of 1.65 on a...
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please answer 38, thanks. 26. Given a test statistic of 2.09 paired with a crtical z-score...
please answer 38, thanks.
26. Given a test statistic of 2.09 paired with a crtical z-score of 2 33 on a one tailed test, then the conclusion fail to reject H. at α-1% b)fail to reject H,at α-5%e reject KedacceptH,ata-1% d) reject, and accept H. at a " 5% At a 95% a) e) nooc of these 27. interval, how often would we expect u to 5% 95% c)1% fall outside the inerval estimate? 28. We are allowed to use...
Please ignore the circled answers. I am checking my results. a)2.45 b).2 02 4) 2.95 )...
Please ignore the circled answers. I am checking my
results.
a)2.45 b).2 02 4) 2.95 ) 025 23- /What is the effect of choosing a larger sample size for the sampling distribution? mean increases, standard deviation unchanged b) mean decreases, standaed deviation unchanged c) mean unchanged, standard deviation increases d) mean unchanged, standaed deviation decrases e) no effect As sample size increases little dispersion resulting in sample means falling relatively a) increases, far from b) decreases far from e) increases,...
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please answer 38, thanks.
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Please ignore the circled answers. I am checking my
results.
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