Use the following information from a multiple regression analysis b, = 3 n= 20 b, = 2 So, = 1.1 S, = 0.9 a. Which variable has the largest slope, in units of a t statistic? b. Construct a 95% confidence interval estimate of the population slope, B,. c. At the 0.05 level of significance, determine whether each independent variable makes a significant contribution to the regression model. On the basis of these results, indicate the independent variables to include in this model. .. a. Which variable has the largest slope, in units of at statistic? The variable X, has the largest slope, with tsTAT = 3.33 (Round two decimal places as needed.) b. Construct a 95% confidence interval estimate of the population slope, B,. - 0.321 sB, s 4.321 (Round to three decimal places as needed.) c. Begin by determining whether X, makes a significant contribution to the regression model. Determine the null and alternative hypotheses. Choose the correct answer below. OA. Ho: B,#0 H,: B, =0 O B. Ho: B, =0 H,: B, <0 C. Họ: B, =0 H;: B, #0 O D. Ho: B, =0 H: B, >0 Compute the test statistic. STAT =D (Round to two decimal places as needed.)
Use the following information from a multiple regression analysis b, = 3 n= 20 b, = 2 So, = 1.1 S, = 0.9 a. Which variable has the largest slope, in units of a t statistic? b. Construct a 95% confidence interval estimate of the population slope, B,. c. At the 0.05 level of significance, determine whether each independent variable makes a significant contribution to the regression model. On the basis of these results, indicate the independent variables to include in this model. .. a. Which variable has the largest slope, in units of at statistic? The variable X, has the largest slope, with tsTAT = 3.33 (Round two decimal places as needed.) b. Construct a 95% confidence interval estimate of the population slope, B,. - 0.321 sB, s 4.321 (Round to three decimal places as needed.) c. Begin by determining whether X, makes a significant contribution to the regression model. Determine the null and alternative hypotheses. Choose the correct answer below. OA. Ho: B,#0 H,: B, =0 O B. Ho: B, =0 H,: B, <0 C. Họ: B, =0 H;: B, #0 O D. Ho: B, =0 H: B, >0 Compute the test statistic. STAT =D (Round to two decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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please compute the test statistic
Transcribed Image Text:Use the following information from a multiple regression analysis
b, = 3
n= 20
b, =2
Sp, = 1.1
So, = 0.9
a. Which variable has the largest slope, in units of at statistic?
b. Construct a 95% confidence interval estimate of the population slope, B.
c. At the 0.05 level of significance, determine whether each independent variable makes a significant contribution to the regression model. On the basis of these results, indicate the independent variables to include in this model.
..
a. Which variable has the largest slope, in units of at statistic?
The variable X, has the largest slope, with tsTAT = 3.33
(Round
two decimal places as needed.)
b. Construct a 95% confidence interval estimate of the population slope, B,.
- 0.321 sB, s 4.321
(Round to three decimal places as needed.)
c. Begin by determining whether X, makes a significant contribution to the regression model. Determine the null and alternative hypotheses. Choose the correct answer below.
OA. Ho: B,#0
H,: B, =0
O B. Ho: B, =0
H,: B, <0
C. Họ: B, =0
H: B, #0
O D. Ho: B1 =0
H;: B, >0
Compute the test statistic.
STAT =D
(Round to two decimal places as needed.)
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