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Forbes magazine published data on the best small finns in 2012. These were finns that had been publicly traded for at least a veaz, have a stock price of at least 55 per share, and have reported annual revenue between 55 million and Si, billion. The Table 8.13 shows the ages of the corporate CEOs for a random sample of these firms.
48 | 58 | 51 | 61 | 56 |
59 | 74 | 63 | 53 | 50 |
59 | 60 | 60 | 57 | |
55 | 63 | 57 | 47 | 55 |
57 | 43 | 61 | 62 | 49 |
67 | 67 | 55 | 55 | 49 |
Table 8.13
Use this sample data to consuua a 90% confidence interval for the mean age of CEOs for these top small flims. Use the Student’s t-distribution.
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