INTERVAL ESTIMATE

• The confidence interval for ? is:

  
  
  
  
  Note that

Therefore, we have

or





[ ,S and n can be determined
from the given data; and can
be found from table percentile
values from the t-cumulative
distribution.]

Two-sided Test

f(t)

t

Unshaded

area = 1-?

?/2

?/2

Previous slide

Next slide

Back to first slide

View graphic version