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You are the foreman of the Bar-S cattle ranch in Colorado. A neighboring ranch has calves for sale, and you are going to buy some calves to add to the Bar-S herd. How much should a healthy calf weigh? Let x be the age of the calf (in weeks), and let y be the weight of the calf (in kilograms).
x 2 2 8 16 26 36
y 40 49 77 100 150 200
(b) Find x, and y. Then find the equation of the least-squares line y = a + bx. (Round your answers for x and y to two decimal places. Round your answers for a and b to three decimal places.)
x= y=
y=
c) Find the value of the coefficient of determination r2. What percentage of the variation in y can be explained by the corresponding variation in x and the least-squares line? What percentage is unexplained? (Round your answer for r2 to three decimal places. Round your answers for the percentages to one decimal place.)
r2 =
explained %
unexplained %
d) The calves you want to buy are 17 weeks old. What does the least-squares line predict for a healthy weight? (Round your answer to two decimal places.)
Compare and contrast the categories of costs borne by users of a new government-funded untolled highway and those borne by users (customers) of a new water treatment plant that is funded by bills paid by the customers.
If she serves 6 times, what is the probability she gets all 6 serves in?- exactly 4 serves in?- at least 4 serves in?- no more than 4 serves in?
Find the cumulative distribution function and the probability that any given defects occur between 1.5 miles and 2.5 miles along the stretch of road?
Verify that you would reject the hypothesis that the difference scores have a population median of zero with α = .05.
In a hospital, a sample of 8 weeks was selected, and it was found that an average of 438 patients was treated in the emergency room each week. The standard deviation was 16. Find the 99% confidence interval of the true mean. Assume the variable is..
suppose we rolled a pair of fair dice and count the number of dots located and the face that lands up. describe this
thirty randomly selected students took the calculus final. if the sample mean was 84 and the sample standard deviation
Create the box plot to represent data. Explain the distribution. Ensure to recognize the first and third quartiles and median.
To raise money, the ASFC is holding a raffle. The prize is a walt disney vacation for two valued at $3000.
1. Utilise examples to discuss seven quality tools. 2. Your company's strategic projects schedule is slipping behind. discuss how you would resolve.
The Stanford Five-City Project is a comprehensive community health education study of five moderately sized Northern California towns.
To test the effectiveness of "strategizing for the future," companies' 5-year average stock performance was considered before, and after, consultant-led "strategizing for the future" sessions were held.
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