only %f different the True Population mean!'...import statistics as stats
x = [1,2,3,4,5,6,7,8,9]
y = [2,1,2,4.5,7,6.5,6,9,9.5]
有许多等价的表达方式来计算皮尔逊相关系数...(也称为皮尔逊的 r)。...((observation - mean_x)/standard_deviation_x)
# 对于 y 中的每个观测
for observation in y:...= []
# 对于数据中的每个观测
for observation in data:
# 计算到均值的差
deviation_from_mean = (observation -