Source of
Degrees of
variation
Sums of Squares
Mean Squares
Freedom
k
Between
SST=
k1
Treatments
SST
(k 1)
MSE=
nj
SSE=
Within
( X
j 1 i 1
ij
X j )2
MST
MSE
SSE
(n k )
j 1
k
Treatments
MST=
n j ( x j x) 2
F-Statistic
F=
n-k
(Error)
k
= (n j 1) s j 2
j

Source of
variation
Degrees
Sums of Squares
Mean Squares
F-Statistic
of
Freedom
k
Between
SST=
k1
Treatments
MST=
SST
(k 1)
MSE=
n j ( x j x) 2
SSE
(n k )
j 1
k
nj
SSE= ( X X ) 2
ij
j
Within
j 1 i 1
Treatments
MST
MSE
F=
n-k
(Error)
k
= (n j 1) s j 2
j 1

NAME(Chinese)
No:
Class:
I. Multiple Choice. Circle the correct answer. / 2 points each
1.
Identify which statement is most appropriate. The average age of the
students in a statistics class is 22 years. Does this statement describe:
a) statistical infere

NAME(Chinese)
No:
Class:
I. Multiple Choice. Circle the correct answer. / 2 points each
1. A summary measure that is computed from a population is called
a:
a) sample.
b) statistic. c) population. d) parameter.
2. The following are the durations in minute