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. ONLY USE EXCEL AND PLEASE SHOW ALL STEPS AND EXCEL COMMANDS. 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 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

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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Related questions

Question

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. ONLY USE EXCEL AND PLEASE SHOW ALL STEPS AND EXCEL COMMANDS.

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

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