Question

You estimate a simple linear regression model using a sample of 25 observations and obtain the following results (estimated standard errors in parentheses below coefficient estimates): y = 97.25 + 19.74 * x (3.86) (3.42) You want to test the following hypothesis: H0: β2 = 1, H1: β2 > 1. If you choose to reject the null hypothesis based on these results, what is the probability you have committed a Type I error? a.) between .01 and .02 b.) between .02 and .05 c.) less than .005 d.) It is impossible to determine without knowing the true value of β2

          You estimate a simple linear regression model using a sample of 25 observations and obtain the following results (estimated standard errors in parentheses below coefficient estimates): y = 97.25 + 19.74 * x

(3.86) (3.42)

You want to test the following hypothesis: H0: β2 = 1, H1: β2 > 1. If you choose to reject the null hypothesis based on these results, what is the probability you have committed a Type I error?
a.) between .01 and .02 b.) between .02 and .05 c.) less than .005 d.) It is impossible to determine without knowing the true value of β2
        
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Added by Charles H.

Elementary Statistics a Step by Step Approach
Elementary Statistics a Step by Step Approach
Allan G. Bluman 9th Edition
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You estimate a simple linear regression model using a sample of 25 observations and obtain the following results (estimated standard errors in parentheses below coefficient estimates): y = 97.25 + 19.74 * x (3.86) (3.42) You want to test the following hypothesis: H0: β2 = 1, H1: β2 > 1. If you choose to reject the null hypothesis based on these results, what is the probability you have committed a Type I error? a.) between .01 and .02 b.) between .02 and .05 c.) less than .005 d.) It is impossible to determine without knowing the true value of β2
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Use the following set of points to test the null hypothesis H0: β1 = 0 versus H1: β1 ≠ 0. Use the P-value method with the α = 0.05 level of significance. The slope of the regression line for this data is computed to be b1 = 0.96830, and the standard error of b1 is computed as sb = 0.317710. Use the TI 84 calculator. x: 19 22 8 29 17 16 15 18 y: 16 30 5 22 12 12 16 14 Compute the test statistic. Always round the t-score values to three decimal places.

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Transcript

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00:01 You know that y equal to 92 .25 plus 33 .74 x, it is 3 .86 and that is 9 .42.
00:20 Now according to question, b2, tc multiplied by s, a to b2.
00:38 By s -a to b2...
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