Statistical Design of Experiments

Statistical Design of Experiments

Statistical Design of Experiments

Statistical Design of Experiments

Modeling

Modeling

In the last practice exercise,

In the last practice exercise,

there were 3 factors:

there were 3 factors:

Temperature

Temperature

Pressure

Pressure

Catalyst

Catalyst

Temperature and Pressure are

Temperature and Pressure are

both quantitative variables

both quantitative variables

Sometimes we are interested in

Sometimes we are interested in

predicting the response for

predicting the response for

values of a factor that wasn’t

values of a factor that wasn’t

measured

measured

For example, suppose you want

For example, suppose you want

to know the yield if Temperature

to know the yield if Temperature

is 30° instead of 20° or 40°

is 30° instead of 20° or 40°

We use a technique called

We use a technique called

modeling to obtain a

modeling to obtain a

mathematical formula to make

mathematical formula to make

predictions

predictions

Then it’s simply “Plug &

Then it’s simply “Plug &

Chug”!

Chug”!