Question: The data from exercise 1 follow. a. Use equation (12.23) to estimate the standard deviation of * when x = 4. b. Use expression (12.24)

The data from exercise 1 follow.

a. Use equation (12.23) to estimate the standard deviation of * when x = 4.
b. Use expression (12.24) to develop a 95% confidence interval for the expected value of y when x = 4.
c. Use equation (12.26) to estimate the standard deviation of an individual value of y when x = 4.
d. Use expression (12.27) to develop a 95% prediction interval for y when x = 4?

x2 3 4 5 2

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