In: Statistics and Probability
Average population earnings per share for financial service corporations such as American Express, E * Trade Group, Goldman Sachs and Merril Lynch were $ 3 (Business Week, August 14, 2000). In 2001, the following earnings per share data were obtained for a sample of 10 financial services corporations:
1.92 | 2.16 | 3.63 | 3.16 | 4.02 | 3.14 | 2.20 | 2.34 | 3.05 | 2.38 |
Perform the required analysis to determine if the average population earnings per share in 2001 differ from the three dollars reported in 2000, with a 5.0% margin of error.