An equation for the random walk model is given by the equation: ,where is the change in the time series from time t to time t - 1, is a constant,and is a random variable (noise)with mean 0 and some standard deviation .

Question

An equation for the random walk model is given by the equation:  ,where  is the change in the time series from time t to time t - 1,  is a constant,and  is a random variable (noise)with mean 0 and some standard deviation  .

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The Answer of An equation for the random walk model is given by the equation:  ,where  is the change in the time series from time t to time t - 1,  is a constant,and  is a random variable (noise)with mean 0 and some standard deviation  .

An Equation for the Random Walk Model Is Given by the Equation