What can you observed in a time plot below? Explain each pattern observed. Is the series stationary? If not, why say so? Exercise 2. What can you observed in a time plot below? Is there any pattern? Is the seriesstationary? If yes, why say so?Detrended series196019701980199020002010yearFigure 12. Detrended/Differenced Seasonally adjusted beer production seriesdiff.ts

Given information: A timeseries plot is given.

Answered: What can you observed in a time plot…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question 5 The life time of an electrical part follows an exponential distribution with mean of 5 years. Calculate the probability the life of the part is less than two years. O .67 .33
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Question 7- Part A. If Alex has scored 510 on the MCAT, and was at the 75th percentile, and Boris has scored 520, and was at the 95th percentile, then approximately how much percent (%) of all the students who wrote MCAT had the score lower than Boris and higher than Alex? Provide answer in Percentage.
QUESTION 1 The same scenario is used for all questions. New parents in a little town buy two major brands of infant formulas, labeled A and B. After some intensive study, a marketing researcher for one of the manufacturers found that the probability of parents purchasing A or B is based on the parents' most recent purchase. Suppose that the following transition probabilities are appropriate O Probabilities of Parents Purchasing A or B From A To A To B O A B B Which of the following is the correct two period tree diagram for a customer who last purchased Brand A? O A 0.75 A 0.20 0.25 0.75 0.75 0.25 0.25 0.75 A B A B A 0.25 B 0.80 0.75 0.25 0.20 0.80 0.75 0.25 0.20 0.80 0.25 0.75 0.20 0.80 A B A B A B A B A B A B (0.25)(0.75)-0.1875 (0.25)(0.25) 0.0625 (0.75)(0.20) 0.1500 (0.75)(0.80)-0.6000 (0.75)(0.75)=0.5625 (0.75)(0.25)-0.1875 (0.25)(0.20)-0.0500 (0.25)(0.80)-0.2000 (0.25)(0.25) 0.0625 (0.25)(0.75)-0.1875 (0.75)(0.20) 0.1500 (0.75)(0.80) 0.6000
The following plots have been obtained for a time series. a) Suggest an appropriate ARIMA model. b) The following ARIMA output has been obtained from R. Based on this output, which model would you recommend for forecasting?
What is one property of a stationary time series? Question 23 options: The datapoints demonstrate a clear seasonal pattern The mean remains constant over time It is plotted as a straight horizontal line It demonstrates an upward trend
Question 3, section 6.1

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What can you observed in a time plot below? Is there any pattern? Is the series If yes, why say so? Detrended series