Question: With reference to Exercise 14.43, use the theory of Exercise 14.22 to construct a 99% confidence interval for a. In exercise Use the result of

With reference to Exercise 14.43, use the theory of Exercise 14.22 to construct a 99% confidence interval for a.
In exercise
Use the result of part(b) of exercise 14.20 to show that

Is a value of a random variable having the standard normal distribution. Also, use the first part of Theorem 14.3 and the fact that A and nˆ‘2/Ïƒ2 are independent to show that

Is a value of a random variable having the t distribution with n €“ 2 degrees of freedom.

( - a)nSx Sxr+

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