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Suppose that observations on a stock price (in dollars) at the end of each of 15 consecutive days are as follows: 30.2, 32.0, 31.1, 30.1,

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Suppose that observations on a stock price (in dollars) at the end of each of 15 consecutive days are as follows: 30.2, 32.0, 31.1, 30.1, 30.2, 30.3, 30.6, 30.9, 30.5, 31.1, 31.3, 30.8, 30.3, 29.9, 29.8 Estimate the daily volatility using both equation (10.2) and the equation (10.4)

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