bernardhenderso4689 bernardhenderso4689
  • 06-06-2023
  • Mathematics
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(a) Show that a 2×4−MA is equivalent to a weighted 5−MA with weights 1/8,1/4,1/4,1/4,1/8. [9 marks] (b) Show that the variance of an I(1) series is not constant over time. [9 marks ]

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