Find the 95% confidence interval for the slope in each of the following settings. (Round your...

Question

Question

Find the 95% confidence interval for the slope in each of the following settings. (Round your answers to three decimal places.)

(a) n = 20, ŷ = 26.5 + 1.4x, and SE_b₁ = 0.65

( __________ , ____________ )

(b) n = 30, ŷ = 30.2 + 2.9x, and SE_b₁ = 1.45

( __________ , ____________ )

(c)n = 100, ŷ = 29.9 + 2.9x, and SE_b₁ = 1.45

( __________ , ____________ )

Answer 1

Answer #1

b, s.EC6 a. 1.4 ± C2-10D(0.65) 1.4± !.36565 0.03435 , &S&S C2-04.8)(1.45) 0.9. 폴그 .9 ± 2.9696 o.oG96 , 5.8 696 co ol oto.os L

Answer 2

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