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Use a x2 test of Association to test the claim that in the given contingency table, the row variable and the column variable are independent. In this case, we want to see if whether or not students have children is independent of whether or not they attend school full or part time. Be sure to identify the null hypothesis, alternative hypothesis, test statistic, rejection region, conclusion about the null hypothesis, and a final conclusion that addresses the original claim that the two variables are independent (no relationship). a=0.01
Do You Have Children?
Yes
No
Full-Time Student
31
169
Part-Time Student
26
24
Is there evidence that the growth hormone increases the milk production?
Mean of 3 goals per game. Find the probability that each of four randomly selected state college hockey games resulted in 6 goals being scored.
A delivery truck averages 15 miles per gallon, with a standard deviation of 3 miles per gallon, and that fuel consumption is Normally Distributed.
prizes and the chances of winning in a sweepstakes are given in the table below.prizechances250000001 chance in
A restaurant claims that the waiting time of customers for service is normally distributed with a mean of 3 minutes and a standard deviation of 1 minute.
The regional tupperware dealers earned these commissions last month: what was the mean commision earned? round your answers to the nearest cents.
Based on the answers to a through d, decide whether or not to reject the null hypothesis at the given significance level. Explain your conclusion in the context of the problem.
Identify at least three methods of statistical inference. Describe in detail each method and how you could use this method in your discipline. You may not use the same tests indicated in your research proposal.
give an example of how you may use a correlation or simple regression to examine the relationship between two variables
Find the P value or an interval containing the P value for the sample test statistic.
It could not do anything with the airport and suffer a loss of revenue. The current value of raised revenue from a new airport is in question.
When formulating the conclusion to the test, why is the phrase fail to reject the null hypothesis more accurate than the phrase accept the null hypothesis?
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