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In given Figure, we observed that the correlation between the left and right hand spans of college students was 0.95. The hand spans were measured in centimeters. What would be the correlation if the hand spans were converted to inches? Explain.
If he were to randomly select 120 corks from the next box, then how many of these corks would John expect to be undersized?
1a. the mean weight of 120 7th graders is 75 lbs with a standard deviation of 6 lbs. calculate the standard error of
Find the mean and the standard deviation of the sampling distribution of x bar, and find an interval containing 95.44 percent of all possible sample mean returns.
if you reject the null hypothesis for the kruskal-wallis test h-test what test would be run
It is believed that the number of kilometers driven by a tourist in the program is normally distributed with mean 4,500 and standard deviation 1,800. If a country wants to set the mileage limit at a point such that 80% of the tourists in the progr..
Suppose a sample of 40 Jones & Ryan employees showed a sample mean year-end bonus of $118,000. Assume a population standard deviation of o=$30,000 and compute the p-value.
People over the decades often wonder about how to successfully mange their investments. The purpose of this paper is to answer the question if it is better to purchase a stock that pays a dividend to their shareholders (value stocks) or buy a stoc..
Revise the prior probabilities in light of the consultants track record - What is the posterior probability of good demand given that the consultant has indicated demand will be good?
Construct a sample space using a tree diagram - Which of the following three sets of probabilities are inappropriate because they violate a basic rule of probability
Based on what you now know about statistical inference, is Sara's conclusion a logical conclusion? Why or why not? How many friend samples Sara should have in order to draw conclusion with 95% confidence interval? Why?
Then turn up cards from the top until the first ace appears. What is the expected value of the number of cards required to produce the first ace?
a test for marijuana was tried on 210 subjects who did not use marijuana. the test result was wrong 52 times.a. based
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