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Taxes and forestland usage. A study was designed to assess the impact of taxes on forestland usage in part of the Upper Wabash River Watershed in Indiana.15 A survey was sent to 772 forest owners from this region and 348 were returned. Consider the population, the sample, and the response rate for this study. Describe these based on the information given and indicate any additional information that you would need to give a complete answer.
a triathlon consisting of swimming cycling and running is one of the more strenuous amateur sporting events. an article
Critically discuss the probability that more than 175 cable households rate cable companies as good or excellent in quality transmissions?
When students go to the Health Center these days complaining of pain, they are asked to assess their pain using emoticons. One person's assessment is an example of what kind of data?
Use statistical software, Excel, or a graphing calculator to find the exact binomial probability that 1700 or fewer women in the sample are tall enough.
You have been offered a very lon term investment opportunity to increase your money one hundredfold.
In July of 2004, the Gallup Poll asked 1005 U.S. adults if they actively try to avoid carbohydrates in their diet. That number increased to 27% from 20% in a similar 2002 poll. Is this a statistically significant increase? Explain.
Suppose Y is a data matrix, and Z = YF for some orthogonal matrix F, so that Z is a rotated version of Y. Show that the variances of the principal components are the same for Y and Z. (This result should make intuitive sense.) [Hint: Find the s..
in a region 80 of the population have brown eyes. if 12 people are randomly selected find the probability that at least
Look at the shape of the binomial distribution for various combinations of n and p. Speci?cally, let n = 5 and try p = 0.2, 0.5, and 0.8. Repeat the same for other values of n. Can you say something about how the skewness of the distribution is affec..
You are skeptical of the business school claim and decide to evaluate the salary of the business school graduates, using ?= 0.05 (2-tail) what do you conclude?
assume that 67 ofthe cars on a particular freeway are traveling faster than70 miles per hour. arandom sample of 15 cars
peter browns utility for total wealth x can be represented by the utility function ux lnx. he currently has 1000 in
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