(a) Given that the null hypothesis is μ=90 and the alternative hypothesis is μ>90μ>90 using α=.05, find the following: (i) critical z score = (ii) test statistic = (b) Given that the null hypothesis is μ=90 and the alternative hypothesis is μ≠90 using α=.05, find the following: (i) the positive critical z score (ii) the negative critical z score (iii) test statistic = The conclusion from part (a) is: A. Reject the null hypothesis B. There is insufficient evidence to reject the null hypothesis C. None of the above The conclusion from part (b) is:
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A random sample of 100 observations from a population with standard deviation 13.1451478601604 yielded a sample mean of 92.4
(a) Given that the null hypothesis is μ=90 and the alternative hypothesis is μ>90μ>90 using α=.05, find the following:
(i) critical z score =
(ii) test statistic =
(b) Given that the null hypothesis is μ=90 and the alternative hypothesis is μ≠90 using α=.05, find the following:
(i) the positive critical z score
(ii) the negative critical z score
(iii) test statistic =
The conclusion from part (a) is:
A. Reject the null hypothesis
B. There is insufficient evidence to reject the null hypothesis
C. None of the above
The conclusion from part (b) is:
A. There is insufficient evidence to reject the null hypothesis
B. Reject the null hypothesis
C. None of the above
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