Statistical Design of Experiments

Statistical Design of Experiments

Statistical Design of Experiments

Statistical Design of Experiments

To say the grass seed types produce

To say the grass seed types produce

different average growth rates when they

different average growth rates when they

don’t

don’t

Example of Type I & Type II

Example of Type I & Type II

Error

Error

For Example

For Example

H

H

O

O

:

:

The average grass seed growth is the

The average grass seed growth is the

same for both seed types

same for both seed types

H

H

A

A

:

:

The average grass seed growth is not the

The average grass seed growth is not the

same for both seed types

same for both seed types

What is the Type I

What is the Type I

error?error?

error?error?

Don’t say the grass seed types produce

Don’t say the grass seed types produce

different average growth rates when they

different average growth rates when they

do

do

What is the Type II

What is the Type II