MEAN

print("Enter the fi and interval")

ci1l=int(input("Enter the lower class of first interval = "))

ci1u=int(input("Enter the upper class of first interval = "))

fi1=int(input("Enter the first fi = "))

fi2=int(input("Enter the second fi = "))

fi3=int(input("Enter the third fi = "))

fi4=int(input("Enter the fourth fi = "))

fi5=int(input("Enter the fifth fi = "))

cs=(ci1u-ci1l)

ci2l=ci1u

ci2u=(ci2l+cs)

ci3l=ci2u

ci3u=(ci3l+cs)

ci4l=ci3u

ci4u=(ci4l+cs)

ci5l=ci4u

ci5u=(ci5l+cs)

cm1=(ci1u-ci1l)/2+ci1l

cm2=(ci2u-ci2l)/2+ci2l

cm3=(ci3u-ci3l)/2+ci3l

cm4=(ci4u-ci4l)/2+ci4l

cm5=(ci5u-ci5l)/2+ci5l

m=((fi1*cm1)+(fi2*cm2)+(fi3*cm3)+(fi4*cm4)+(fi5*cm5))/(fi1+fi2+fi3+fi4+fi5)

print("____________________________")

print("|    CI    |   fi   | xi   |")

print("|",ci1l,"-",ci1u," |"," ",fi1,"   |",cm1,"|")

print("|",ci2l,"-",ci2u," |"," ",fi2,"   |",cm2,"|")

print("|",ci3l,"-",ci3u," |"," ",fi3,"   |",cm3,"|")

print("|",ci4l,"-",ci4u," |"," ",fi4,"   |",cm4,"|")

print("|",ci5l,"-",ci5u," |"," ",fi5,"   |",cm5,"|")

print("----------------------------")

print("Therefore, the mean is = ",m)