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Converting a two-sided P-value. You use statistical software to perform a significance test of the null hypothesis that two means are equal. The software reports P-values for the two-sided alternative. Your alternative is that the first mean is greater than the second mean.
(a) The software reports t = 2.08 with a P-value of 0.07. Would you reject H0 with α = 0.05? Explain your answer
(b) The software reports t = -2.08 with a P-value of 0.07. Would you reject H0 with α = 0.05? Explain your answer.
a magazin reported that 6 of american drivers read the newspaper while driving. if 300 drivers ar selected find te
Discuss which analysis of variance should be applied when an experiment has more than one independent variable. Discuss the assumptions and limitations of the analysis.
the probability that a motor vehicle entering the luray caverns has canadian license plates is 0.35 the probability
given the function for x answer the following fx x10 4ltxlt60 otherwisea. determine the expected value of x.b. what is
Sharpe Discounts Wholesale Club has two service desks, one at each entrance of the store. Customers arrive at each service desk at an average of one every 6 minutes. The service rate at each service desk is 4 minutes per customer.
From a town of 25 Republicans and 25 Democrats, pollsters A and B each sampled ten residents at random without replacement. Find the probability that the two polls contained exactly the same number of Republicans.
an airline has classified its customers as high-volume travelers assumed to be business travelers or low-volume
An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of 3.3 emails per hour. Assume the arrival of these emails is approximated by the Poisson distribution.
transrail is bidding on a project that it figures will cost 400000 to perform. using a 25 markup it will charge 500000
The following is a list of the number correct for each of the two groups. Using analysis of variance techniques, test the null hypothesis, H0 that the two mean test scores are equal.
Assuming that Mendel's proportion of 3/4 is correct, find the probability of getting 787 or fewer plants with long stems among 1064 offspring plants. compare answers with binomial and normal approximation.
Make sure you include a complete ANOVA summary table. Also, report the appropriate null and research hypotheses and the critical value (alpha = 0.05).
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