Construct the 95 confidence interval for the slope coefficie





Construct the 95% confidence interval for the slope coefficient. (Negative values should be indicated by a minus sign. Round your intermediate calculations to 4 decimal places,\"t/2,df\" value to 3 decimal places and final answers to 2 decimal places.)



At the 5% significance level, does the slope differ from zero?

Consider the following simple linear regression results based on 20 observations. Use Table 2.

Solution

a1) H0: 0 = 0; HA: 0 0

a2) Reject H0Picture the intercept differs from zero.

b1) (0.06 ,   0.44 )

b2) No because 0 is in this CI.

 Construct the 95% confidence interval for the slope coefficient. (Negative values should be indicated by a minus sign. Round your intermediate calculations to

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