Question: Given are five observations for two variables, x and y. x i 1 2 3 4 5 y i 4 8 5 12 14 Round

Given are five observations for two variables, x and y. x i 1 2 3 4 5 y i 4 8 5 12 14 Round your answers to two decimal places.

a. Using the following equation: Estimate the standard deviation of * when x = 4. 0.85

b. Using the following expression: Develop a 95% confidence interval for the expected value of y when x = 4. to

c. Using the following equation: Estimate the standard deviation of an individual value of y when x = 4.

d. Using the following expression: Develop a 95% prediction interval for y when x = 4. If your answer is negative, enter minus (-) sign. to

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