21. CEO compensation. A sample of 20 CEOs from the Forbes 500 shows total annual compensations ranging from a minimum of $0.1 to $62.24 million. The average for these 20 CEOs is $7.946 million. The histogram and boxplot are as follows:

Based on these data, a computer program found that a confidence interval for the mean annual compensation of all Forbes 500 CEOs is (1.69, 14.20) $M. Why should you be hesitant to trust this confidence interval?

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Number of CEOs 5 10 15 0 0 10 20 30 40 50 60 70 Total Compensation in $ Million