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Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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QUESTION 9 Which one of the following statement is NOT true given the following R code and result for analyzing Alibaba's stock? getSymbols('BABA',src='yahoo',from='2020-01-01',to='2021-04-01') BABA_Adj=BABASBABA.Adjusted adfTest(BABA_Adj,lags=10,type=c("c")) STATISTIC: Dickey-Fuller: -1.3371 P VALUE: 0.5602 O A. BABA's stock price is mean reverting O B. The data used is BABA's adjusted closing price. OC. Non-stationarity of BABA is not rejected. O D. The adfTest() function tests stationarity of the price series.
Transcribed Image Text:QUESTION 9 Which one of the following statement is NOT true given the following R code and result for analyzing Alibaba's stock? getSymbols('BABA',src='yahoo',from='2020-01-01',to='2021-04-01') BABA_Adj=BABASBABA.Adjusted adfTest(BABA_Adj,lags=10,type=c("c")) STATISTIC: Dickey-Fuller: -1.3371 P VALUE: 0.5602 O A. BABA's stock price is mean reverting O B. The data used is BABA's adjusted closing price. OC. Non-stationarity of BABA is not rejected. O D. The adfTest() function tests stationarity of the price series.
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