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Author Question: Determine the intercept of the sample regression line. A) 11.17 B) 64.30 C) 92.40 D) ... (Read 60 times)

APUS57

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on: Jun 24, 2018
Determine the intercept of the sample regression line.
 
  A) 11.17
  B) 64.30
  C) 92.40
  D) 13.74

Question 2

Does the data provide enough evidence to conclude that, at the 5 significance level, the final mark and the number of late assignments are negatively linearly related?
 
  What will be an ideal response?


abro1885

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Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

H0 : 2 = 0 against H1 : 2 < 0
Test statistic: t = -1.035
Reject H0 if t < -t0.05, 46. Since t0.05, 46 = -1.679 we fail to reject H0. Hence, the data does not provide enough evidence at the 5 significance level to conclude that the final mark and the number of late assignments have a negative linear relationship.


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