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编写一个程序,估算所给出n个实数的均值Mean、方差Variance和标准差StdDeviation。
其中:
均值指这些数字的平均值。
计算标准差的公式如下:
这里的σ(x1,…,xn)是x值的标准差,xavg则是这n个值的均值。
方差是标准差的平方。
要求:
n个实数采取手工输入;
使用表1、2、3提供的数据进行测试。-Write a program to estimate the real number given by the mean of n Mean, variance and standard deviation of Variance StdDeviation. Of which: Mean refers to the average of these figures. The formula for calculating the standard deviation is as follows: where σ (x1, ..., xn) is the standard deviation of x values, xavg is that the mean of n values. Standard deviation is the square of the variance. Requirements: n real numbers to manually input use the data provided in Table 2, 3 for testing.
其中:
均值指这些数字的平均值。
计算标准差的公式如下:
这里的σ(x1,…,xn)是x值的标准差,xavg则是这n个值的均值。
方差是标准差的平方。
要求:
n个实数采取手工输入;
使用表1、2、3提供的数据进行测试。-Write a program to estimate the real number given by the mean of n Mean, variance and standard deviation of Variance StdDeviation. Of which: Mean refers to the average of these figures. The formula for calculating the standard deviation is as follows: where σ (x1, ..., xn) is the standard deviation of x values, xavg is that the mean of n values. Standard deviation is the square of the variance. Requirements: n real numbers to manually input use the data provided in Table 2, 3 for testing.
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1/First.cpp
1/Second.cpp
1/Third.cpp
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1/Second.cpp
1/Third.cpp
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