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Given are five observations for two variables, x and y. xi 1 2 3 4 5...

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Statistics

Given are five observations for two variables, x and y. xi 1 2 34 5 yi 4 7 6 12 14 a. Using the following equation: 12.32a.jpgEstimate the standard deviation of Å·* when x = 3. b. Using thefollowing expression: 12.32b.jpg Develop a 95% confidence intervalfor the expected value of y when x = 3. c. Using the followingequation: 12.32c.jpg Estimate the standard deviation of anindividual value of y when x = 3. d. Using the followingexpression: 12.32d.jpg Develop a 95% prediction interval for y whenx = 3.

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3.6 Ratings (296 Votes)
X Y xx yy xxyy 1 4 4000 21160 9200 2 7 1000 2560 1600 3 6 0000 6760 0000 4 12 1000 11560 3400 5 14 400 29160 1080 X Y xx yy xxyy total sum 15 43 10000 7120 25000 mean 300 860    See Answer
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