Explanation

Standrd

Variatn

Sample

n

Critical

t

Hypoth

Deviatn

Mean

Value

Mean

All Middle School

0.3347

0.1120

6.03%

60

-1.67

-0.9193

10.00%

All Middle Boys

0.3925

0.1540

10.00%

30

-1.7

-1.3955

20.00%

All Middle Girls

0.2657

0.0706

2.06%

30

-1.7

-1.6379

10.00%

All Upper School

0.3398

0.1155

17.85%

80

-1.67

-0.5648

20.00%

All Upper Boys

0.3158

0.0997

14.35%

40

-1.68

-1.1324

20.00%

All Upper Girls

0.3628

0.1316

21.36%

40

-1.68

-1.5057

30.00%

All Boys

0.3487

0.1216

12.48%

70

-1.67

-0.6039

15.00%

All Girls

0.3366

0.1133

13.09%

70

-1.67

-0.4751

15.00%

All Subjects

0.3415

0.1166

12.79%

140

-1.66

-0.7672

15.00%