Age (yrs)

N

M

SD

Std. Error

95% Confidence Interval for Mean

Sum of Squares

df

Mean Square

F

Sig.

Lower Bound

Upper Bound

6

4

2.59

0.090

0.045

2.44

2.73

0.043

2

0.022

0.622

0.558

7

5

2.71

0.239

0.107

2.41

3.00

0.311

9

0.035

8

3

2.58

0.172

0.099

2.16

3.01

0.354

11

Total

12

2.64

0.179

0.052

2.52

2.75