dagum four parameter model excel

the model is the picture 1, picture 2 is the datas for the excel.

use the model to make the excel and graph(picture 4 is an example of excel ), in the files one, but there is something with numerator, the numerator need to *100, the others are correct to be referenced.

picture 3 is an example of final version, the work should be look similar to it, if you do it correctly

here is the value you need for the excel

chi-sqrd= 7.350389261597

alpha=8.064381E-09

lambda=25.124

delta=2.1476

beta=19.1182

k=0.28804