Statistics and Data Analysis in the Social Sciences
Quiz and Test Results


Here are the class results for each of the four quizzes and two exams (updated as information becomes available, of course). To see the dates of all the quizzes and exams, go to the course calendar.  


Quiz 1 (TERM II 1999)

Mean: 19.46
s.d.: 4.52 (what is the z-score for your score??)

Min: 8
Q1: 16
Median: 20
Q3: 22
Max: 25

Stem and leaf:

Decimal point is at the colon

Low: 8, 12

14 : 0 0
15 : 0 0
16 : 0
17 : 0
18 :
19 : 0
20 : 0 0 0 0
21 : 0 0
22 : 0 0 0 0 0
23 :
24 : 5
25 : 0 0 0 0


Quiz 2 (TERM II 1999)

Mean: 19.8
s.d.: 4.94

Min: 5.5
Q1: 18
Median: 21
Q3: 23.5
Max: 25

Stem and leaf:

Decimal point is at the colon

Low: 5.5

10 : 0
11 :
12 :
13 : 5
14 : 0
15 : 0
16 :
17 : 5
18 : 0 5
19 : 0
20 : 0 5
21 : 0 0
22 : 0 0 0
23 : 0 0 5 5
24 : 0 0 5
25 : 0 0


Test 1 (TERM II 1999)

Mean: 82.17
s.d.: 11.31

Q1: 75.25
Median: 83.25
Q3: 90.25


Quiz 3 (TERM II 1999)

Mean: 19.82
s.d.: 3.04

Min: 14.0
Q1: 18.0
Median: 20.0
Q3: 23.0
Max: 24.0

Stem and leaf:

Decimal point is at the colon

14 : 0
15 : 0 5
16 : 0 0
17 : 5
18 : 0 0 5
19 : 5 5 5
20 : 0 0 0 5
21 : 5
22 : 5
23 : 0 0 0 5 5
24 : 0 0


Quiz 4 (TERM II 1999)

Mean: 22.18
s.d.: 2.54

Q1: 20.5
Median: 23
Q3: 24

Stem and leaf:

16 : 0
17 : 0
18 : 5
19 : 5 5
20 : 0 5
21 : 5 5
22 : 5
23 : 0 0 0 0 0 0 5 5
24 : 0 5 5
25 : 0 0 0 0


Test 2 (Final---150 points total) (TERM II 1999)

Mean: 86.76
s.d.: 9.33

Q1: 81
Median: 90.5
Q3: 93.5


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kern@stat.duke.edu
last updated 17 August 1999