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MMLU-Pro / 7315 / Which of the following statements are true concerning the Box-Jenkins approach…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Which of the following statements are true concerning the Box-Jenkins approach to diagnostic testing for ARMA models?

(i) The tests will show whether the identified model is either too large or too small

(ii) The tests involve checking the model residuals for autocorrelation, heteroscedasticity, and non-normality

(iii) If the model suggested at the identification stage is appropriate, the acf and pacf for the residuals should show no additional structure

(iv) If the model suggested at the identification stage is appropriate, the coefficients on the additional variables under the overfitting approach will be statistically insignificant

category

economics

options

  1. (iii) and (iv) only
  2. (i) and (iii) only
  3. (i), (iii), and (iv) only
  4. (i), (ii), and (iii) only
  5. (ii) and (iii) only
  6. (i) and (iv) only
  7. (i), (ii), (iii), and (iv)
  8. (ii) and (iv) only
  9. (ii), (iii), and (iv) only
  10. (i) and (ii) only

src

ori_mmlu-econometrics

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Source and history

upstream_id / Original problem ID
7315
task_id
d9a373ee-d9ff-5d3b-b0cf-11d7844f261c
task_key
default--test--7315
task_revision_id
1
config / split
default / test

Official source

initial import