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What inferential statistics would you use for a dependent sample with two variables? What inferential statistic would you use for a independent sample with two variables?
Statistics and Probability, Statistics
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A bank contains 2 Quarters, 5 dimes, and 3 Nickels. You draw two coins at random. Determine the probability distribution for the sum of the two coins drawn
The Dow Jones Industrial Average has had a mean gain of 432 pear year with a standard deviation of 722. A random sample of 40 years is selected. What is the probability that the mean gain for the sample was between 200 a ...
The time spent (in days) waiting for a heart transplant can be approximated by a normal distribution. Day range of 60-200. u=129 o=20.2. (a) What is the shortest number of days spent that would put a patient in the top ...
The number of facets in the eye of the fruit fly Drosophila melanogaster is of interest in genetics to model changes across many generations (ie genetic selection). The distribution of the number of facets in the eye in ...
Question: You are throwing a party and fill a bowl with 63 ounces of punch. Suppose the expected size of each cup of punch is 2 ounces and the standard deviation of the size of a cup of punch is A ounce and each cup is p ...
A 1995 study by the School of Public Health reported that 87?% of male students who live in a fraternity house are binge drinkers. The figure for fraternity members who are not residents of a fraternity house is 71?%, wh ...
In a survey of 400 adults that say traffic is a problem: East reported 36% is a problem, South 33% problem, Midwest 26% problem and West 55% problem. (a) The 95% confidence interval for the proportion from the West say t ...
1. Suppose that a company selects two people who work independently inspecting two-by-four timbers. Their job is to identify low-quality timbers. Suppose that the probability that an inspector does not identify a low-qua ...
What is the fraction defective if material hardness is normally distributed with a mean of 42 and a standard deviation of 1 and the specification limits for hardness are from 35 to 45? What value for the process mean wil ...
Suppose you sell a fixed asset for $121,000 when it's book value is $147,000. If your company's marginal tax rate is 35%, what will be the effect on cash flows of this sale (i.e., what will be the after-tax cash flow of ...
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