Why is it necessary for all values in the confidence interval to be positive to conclude that pi > P2? What would have to be true to conclude that pi < P2?
Answer to relevant QuestionsIn what ways is the procedure for constructing a confidence interval for the difference between two proportions similar to constructing a confidence interval for one proportion? In what ways is it different? The following MINITAB output presents the results of a hypothesis test for the difference between two proportions. a. Is this a left-tailed test, a right-tailed test, or a two-tailed test? b. What is the P-value? c. Can you ...The General Social Survey reported in 2012 that in a sample of 68 men aged 18-25, the mean number of hours of television watched per day was 2.76 with a standard deviation of 2.21. In a sample of 72 women aged 18-25, the ...Null hypothesis: Let p0 be the probability that a family with four children has no boys, p 1 be the probability that a family has one boy, and so on. The null hypothesis is that the number of boys in a four- child family ...Compute the expected frequencies under the null hypothesis of independence. The General Social Survey polled 1280 men and 1531 women to determine their level of education. The results are presented in the following table.
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