TOPIC: DESIGN OF EXPERIMENTS. Variance analysis.

1) What is a sum of squares and how is it determined?

2) What are degrees of freedom and how are they determined?

3) Explain what mean squares are and how they are determined.

4) What is considered a statistical parameter and how is it determined?

5) Determine the sum of squares, degrees of freedom, means, mean squares and expected statistical parameter of the case example. ---> Valdemar works in a biscuit factory, in which his function is to determine the quality of the doughs used, one of the tests he performs is viscosity, and he wants to know if the flours of the four suppliers they use produce the same viscosity in the dough, for this it produces during a day 16 doughs, 4 of each type of flour, registering the following results in terms of viscosity: (table is attached)