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Author Question: Is there sufficient evidence at the 5 significance level to infer that the number of points that the ... (Read 128 times)

colton

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on: Jun 24, 2018
Is there sufficient evidence at the 5 significance level to infer that the number of points that the individual's blood pressure exceeded the recommended value and the age at death show a negative linear relationship?
 
  What will be an ideal response?

Question 2

Statistical inference is the process of drawing conclusions about ________ from sample data.
 
  A) surveys
  B) populations
  C) individuals
  D) sampling errors
Statistics, Data Analysis, and Decision Modeling ¦ Evans ¦ 5th Edition
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Yixagurpuldink

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

H0 : 3 = 0 against H1 : 3 < 0
Rejection region: t < -t0.05,36 = -1.685
Test statistic: t = -1.143
Conclusion: Fail to reject the null hypothesis. There is not sufficient evidence at the 5 significance level to infer that the number of points that the individual's blood pressure exceeded the recommended value and the age at death show a negative linear relationship.

Answer to Question 2

B


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