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Question: Football weights. The Sears Cup was established in 1993 to honor institutions that maintain a broad-based athletic program, achieving success in many sports, both men's and women's. Since its Division III inception in 1995, the cup has been won by Williams College in every year except one. Their football team has a 85.3% winning record under their current coach. Why does the football team win so much? Is it because they're heavier than their opponents? The table shows the average team weights for selected years from 1973 to 1993.
a) Fit a straight line to the relationship between Weight and Year.
b) Does a straight line seem reasonable?
c) Predict the average weight of the team for the year 2003. Does this seem reasonable?
d) What about the prediction for the year 2103? Explain.
e) What about the prediction for the year 3003? Explain.
Suppose that Y is a noise-corrupted observation of a signal S. That is, Y = S + N, where S is independent of N. Assume that for a known σ, N ∼ N(0, σ2) and S ∼ N (0, θ2), where θ is unknown. Given the observation Y = y:
The table below shows results from a study on the sucrose consumption (mg in 30 minutes) of black blowflies injected with Pargyline
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Consumption of large amounts of alcohol is known to increase reaction time. To investigate the effects of small amounts of alcohol, reaction time was recorded for five individuals before and after the consumption of 2 ounces of alcohol. Do the dat..
What type of situation would I be able to understand how to use regression as a key driver as an influence in sales or other outcomes?
Give the inverse, converse and contrapositive for the following statement: If the patient takes the medication, then he will have some side effects.
20 turn out to be over 65 inches tall, you get $20. Which is better: a sample of size 100 or a sample of size of 1,000? Choose one and explain. Does the law of average relate to the answer you give?
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