Blue Paper Pink Paper
57 45
54 62
63 50.5 This data is from Math 138 Winter 2011 finals
38 42
75 33 H0 Blue Mean = Pink Mean
47 54
41 38 H1 Blue Mean > Pink Mean
52 34
52 33 t df P
60 67 2.133934 13 0.026236
49 45
64 38
55 54
58 54
S.MEAN 54.64286 46.39286
STDEV 9.548316 10.86664
n 14 14
Quiz 1
Pink Blue
19 23.5
22 20
22 15
18 22
22 23
18 22
21 20.5
18 15.8
22 20 H0: u_P=u_B
23 22 H1: u_P
17 17 t 1.374964
11 27 df 16
16.5 19.5 P-value 0.094046
16 16
14 16
10 10
8 23
Mean 17.5 19.54706
StDev 4.548351 4.122365
n 17 17
Quiz 1
Pink Blue
21 22
22 16
20 18
19 18
20 18
18 16
20 19
20 19
20 13
22 21
21 22
15 17
15 21
20 15
20 13
20 18
19
19
Mean 19.5 17.875
StDev 1.917412 2.825479
n 17 17