# Question: Use the t statistic of Theorem 14 8 to construct a

Use the t statistic of Theorem 14.8 to construct a (1 – α)100% confidence interval formula for βi for i = 0, 1, . . . , k.

Theorem 14.8

Under the assumptions of normal multiple regression analysis,

Are values of random variables having the t distribution with n – k – 1 degrees of freedom.

Theorem 14.8

Under the assumptions of normal multiple regression analysis,

Are values of random variables having the t distribution with n – k – 1 degrees of freedom.

## Answer to relevant Questions

If x01, x02, . . . , x0k are given values of x1, x2, . . . , xk and X0 is the column vector It can be shown that Is a value of a random variable having the t distribution with n- k- 1 degrees of freedom. (a) Show that for k ...The following are the scores that 12 students obtained on the midterm and final examinations in a course in statistics: (a) Find the equation of the least squares line that will enable us to predict a student’s final ...With reference to Exercise 3.70 on page 100, use the results of parts (c) and (d) to find µX|1 and µY|0. The following data show the advertising expenses (expressed as a percentage of total expenses) and the net operating profits (expressed as a percentage of total sales) in a random sample of six drugstores: (a) Fit a least ...An achievement test is said to be reliable if a student who takes the test several times will consistently get high (or low) scores. One way of checking the reliability of a test is to divide it into two parts, usually the ...Post your question