The data in Table 2 represent the rates of return of the Standard and Poor's Index of 500 Stocks from January 2002 through June 2005. Is there sufficient evidence to support the claim that positive monthly rates of return are random at the a = 0.05 level of significance? Table 2 Date Return (%) Date Return (%) Date Return (%) Date Return (%) 1/2002 -2.12 1/2003 -2.74 1/2004 1.73 1/2005 -2.53 2/2002 -2.08 2/2003 -1.70 2/2004 1.22 2/2005 1.89 3/2002 3.67 3/2003 0.84 3/2004 -1.64 3/2005 -1.91 4/2002 -6.14 4/2003 8.10 4/2004 -1.68 4/2005 -2.01 5/2002 -0.91 5/2003 5.09 5/2004 1.21 5/2005 3.00 6/2002 -7.25 6/2003 1.13 6/2004 1.80 6/2005 0.90 7/2002 -7.90 7/2003 1.62 7/2004 -3.43 8/2002 0.49 8/2003 1.79 8/2004 0.23 9/2002 -11.00 9/2003 -1.19 9/2004 0.94 10/2002 8.64 10/2003 5.50 10/2004 1.40 11/2002 5.71 11/2003 0.71 11/2004 3.86 12/2002 -6.03 12/2003 5.08 12/2004 3.25 Source:Yahoo! Finance

The data in Table 2 represent the rates of return of the Standard and Poor's Index of 500 Stocks from January 2002 through June 2005. Is there sufficient evidence to support the claim that positive monthly rates of return are random at the a = 0.05 level of significance? Table 2 Date Return (%) Date Return (%) Date Return (%) Date Return (%) 1/2002 -2.12 1/2003 -2.74 1/2004 1.73 1/2005 -2.53 2/2002 -2.08 2/2003 -1.70 2/2004 1.22 2/2005 1.89 3/2002 3.67 3/2003 0.84 3/2004 -1.64 3/2005 -1.91 4/2002 -6.14 4/2003 8.10 4/2004 -1.68 4/2005 -2.01 5/2002 -0.91 5/2003 5.09 5/2004 1.21 5/2005 3.00 6/2002 -7.25 6/2003 1.13 6/2004 1.80 6/2005 0.90 7/2002 -7.90 7/2003 1.62 7/2004 -3.43 8/2002 0.49 8/2003 1.79 8/2004 0.23 9/2002 -11.00 9/2003 -1.19 9/2004 0.94 10/2002 8.64 10/2003 5.50 10/2004 1.40 11/2002 5.71 11/2003 0.71 11/2004 3.86 12/2002 -6.03 12/2003 5.08 12/2004 3.25 Source:Yahoo! Finance

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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