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Jim Cramer hosts CNBC's “Mad Money" program. Mr. Cramer regularly makes suggestions about which stocks to buy and sell. How well has Mr. Cramer's picks performed over the past two years (2005 to 2007)? To answer the question a random sample of Mr. Cramer's picks was selected. The name of the stock, the buy price of the stock, the current or sold price and the percent return were recorded. a) Estimate with 95% confidence the mean return for all of Mr. Cramer's selections. b) Over the two-year period the Standard and Poor's 500 Index rose by 16%. Is there sufficient evidence to infer that Mr. Cramer's picks have done less well? Use a 5% significance level for all tests.

Jim Cramer hosts CNBC's “Mad Money" program. Mr. Cramer regularly makes suggestions about which stocks to buy and sell. How well has Mr. Cramer's picks performed over the past two years (2005 to 2007)? To answer the question a random sample of Mr. Cramer's picks was selected. The name of the stock, the buy price of the stock, the current or sold price and the percent return were recorded. a) Estimate with 95% confidence the mean return for all of Mr. Cramer's selections. b) Over the two-year period the Standard and Poor's 500 Index rose by 16%. Is there sufficient evidence to infer that Mr. Cramer's picks have done less well? Use a 5% significance level for all tests.

MATLAB: An Introduction with Applications
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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Stock Buy Price Current Price/Sold Percent Gain/Loss
Skyworks Solution 6.88 5.33 -22.53  
Parker Hannifin 90.06 103.51 14.93  
Joy Global 44.05 52.70 19.64  
Emerson Electric 38.65 46.96 21.50  
Chico's 40.11 19.00 -52.63  
National Oilwell 53.94 113.48 110.38  
Medtronic Inc 46.53 48.10 3.37  
El Paso  12.32 13.70 11.20  
Kraft Foods 35.31 32.06 -9.20  
Geoeye 22.00 21.00 -4.52  
Exxon Mobil 76.03 74.11 -2.53  
Cheniere Energy 35.98 33.75 -6.20  
Sturm Ruger 10.05 18.29 81.99  
Roper Industries 46.25 61.82 33.66  
CBS  26.18 31.39 19.90  
Enersys 14.24 18.52 30.06  
Revlon 3.72 2.83 -23.92  
Guess 53.95 74.85 38.74  
Martha Stewart 30.55 19.03 -37.71  
Kimberly Clark 60.80 69.64 14.54  

Above is the excel data and use excel to solve with explanation and write a conclusion at the end, thanks

 
Jim Cramer hosts CNBC's "Mad Money" program. Mr. Cramer regularly makes suggestions about which stocks to buy and sell. How well has Mr. Cramer's picks performed over the past two years (2005 to 2007)? To answer the question a random sample of Mr. Cramer's picks was selected. The name of the stock, the buy price of the stock, the current or sold price and the percent return were recorded. a) Estimate with 95% confidence the mean return for all of Mr. Cramer's selections. b) Over the two-year period the Standard and Poor's 500 Index rose by 16%. Is there sufficient evidence to infer that Mr. Cramer's picks have done less well? Use a 5% significance level for all tests.
Transcribed Image Text:Jim Cramer hosts CNBC's "Mad Money" program. Mr. Cramer regularly makes suggestions about which stocks to buy and sell. How well has Mr. Cramer's picks performed over the past two years (2005 to 2007)? To answer the question a random sample of Mr. Cramer's picks was selected. The name of the stock, the buy price of the stock, the current or sold price and the percent return were recorded. a) Estimate with 95% confidence the mean return for all of Mr. Cramer's selections. b) Over the two-year period the Standard and Poor's 500 Index rose by 16%. Is there sufficient evidence to infer that Mr. Cramer's picks have done less well? Use a 5% significance level for all tests.
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