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Author Question: Is there enough evidence at the 10 significance level to infer that the model is useful in ... (Read 132 times)

nramada

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on: Jun 24, 2018
Is there enough evidence at the 10 significance level to infer that the model is useful in predicting how long an individual will live?
 
  What will be an ideal response?

Question 2

Increasing the value of  from 0.025 to 0.10 in exponential smoothing will increase the weight to the most recent observation by 0.075.
 
  Indicate whether the statement is true or false


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pikon

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

H0 : 1 = 2 = 3 = 0
H1 : At least one j, j = 1, 2, 3 is not equal to zero.
Rejection region: F > F0.10,3,36 = 2.24
Test statistic: F = 3.477
Conclusion: Reject the null hypothesis. Yes, there is enough evidence at the 10 significance level to infer that the model is useful in predicting how long an individual will live.

Answer to Question 2

FALSE


nramada

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Reply 2 on: Jun 24, 2018
Gracias!

mcarey591

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Reply 3 on: Yesterday
Excellent

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