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In: Statistics and Probability

The random walk model suggests that day-to-day changes in the price of a stock should have...

The random walk model suggests that day-to-day changes in the price of a stock should have a mean value of zero, how do you test the random walk hypothesis?

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The random walk model suggests that day-to-day changes in the price of a stock should have...
The random walk model suggests that day-to-day changes in the price of a stock should have a mean value of zero, how do you test the random walk hypothesis?
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