Python学习

import math

from statistics import mean

#数据，有几组写几组

v1=[35.95,36.00,35.91,35.90]

#仪器的最小分度值

min=0.1

avg=mean(v1)

print("数据平均值",avg)

sum=0.0

for i in range(len(v1)):

    sum+=(v1[i]-avg)**2

print("A类不确定度: ")

u1=math.sqrt( sum/(len(v1)**2-len(v1))) 

print(u1)

print("B类不确定度: ")

u2=min/math.sqrt(3)

print(u2)

print("总不确定度:  ")

print(math.sqrt(u2**2+u1**2))