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Problem 1:
A. Verify the regression model assumptions.
B. Perform the hypotheses test for the linear relationship between x and y, using level of significance =0.05.
The accompanying table shows the teams winning percentage (x) and power rating (y) for the 2011 NCAA basketball tournament.
School
Win % (x)
Rating (y)
OSU
91.9
121
Kansas
92.1
119.5
SD state
91.4
118.1
Duke
86.5
117.8
Connecticut
77.5
117.5
Pitt
82.4
116.9
Kentucky
76.3
116.6
ND
79.4
116.3
Problem 2:
Listed in the table are the low (x) and high (y) temperatures for a particular day in 2006, measure in degrees Fahrenheit, for a random sample of cities worldwide.
City
Low(x)
High(y)
Kolkata
57
77
London
36
45
Montreal
7
21
Rome
39
55
San juan
70
83
shanghai
34
Refer to above data.
a. Construct a 99% prediction interval for the high temp for a randomly chosen city with a low temp of 30 degrees.
b. Which of the intervals you constructed is wider and why?
question samples of n 5 units are taken from a process every hour. the xoline and r values for a particular quality
The population is 500 pounds. At a 80% level, how many elephants need to be weighed so the average weight will be accurate to within 350 pounds?
The sheet EZDescription describes the variables for this question. The data are on unemployment claims in Anderson (IN) from 1980 through November 1988. In 1984, an enterprise zone ("EZ") was located in Anderson (as well as other cities in Indiana..
Rob works in quality at a well known saw blade company. An inspector on his team has uncovered an issue with the kerf dimension on the bandsaw blade line. Rob conducts a sampling study and finds that 7% of the bandsaw blades are out of spec.
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