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Author Question: The Holt-Winters Exponential Smoothing procedure allows only the trend component in a time series. ... (Read 85 times)

Redwolflake15

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on: Jun 24, 2018
The Holt-Winters Exponential Smoothing procedure allows only the trend component in a time series.
 
  Indicate whether the statement is true or false

Question 2

Is there enough evidence at the 5 significance level to infer that the cholesterol level and the age at death show a negative linear relationship?
 
  What will be an ideal response?


carolinefletcherr

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

FALSE

Answer to Question 2

H0 : 2 = 0 against H1 : 2 < 0
Rejection region: t < -t0.05,36 = -1.685
Test statistic: t = -1.909
Conclusion: Reject the null hypothesis. Yes, there is enough evidence at the 5 significance level to infer that the cholesterol level and the age at death show a negative linear relationship.


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