Solution-Mean and standard deviation using using eclipse

Mean and standard deviation using using eclipse

Reference no: EM131953

Mean and standard deviation.

Write a program that reads a set of floating-point data values from the input. When the user indicates the end of input, print out the count of the values, the average, and the standard deviation. The average of a data setx₁, . . . , x_n is
a = (Σx_i)/n
where Σx_i = x₁ + . . . + x_n is the sum of the input values. The standard deviation is

s = √(Σ(x_i - a)2 / (n - 1)) However, that formula is not suitable for our task. By the time you have computed the mean, the individual x_i are long gone. Until you know how to save these values, use the numerically less stable formula s = √(((Σx_i²) - (Σx_i) / n)/(n - 1)) You can compute this quantity by keeping track of the count, the sum, and the sum of squares in the DataSet class as you process the input values.

Reference no: EM131953

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Mean and standard deviation using using eclipse

Reference no: EM131953

Reference no: EM131953

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