Total number of females working in a factory F1 = 280 + 262 + 314 + 328 + 336 + 444 = 1964 ⇒ The average number of females working per day in a factory F1 =
TotalnumberoffemalesworkinginafactoryF1
Numberofdays
⇒ The average number of females working per day in a factory F1 =
1964
6
=327.33 ⇒ Total number of females working in a factory F2 = 186 + 212 + 224 + 232 + 285 + 272 = 1411 ⇒ The average number of females working per day in a factory F2 =
1411
6
=235.16 ⇒ The difference, in the average number of factory F1 and factory F2 = 327.33 – 235.16 = 92.17 ∴ The difference is 92.17 in the average number of factory F1 and factory F2.