Multiple choice and short answer quiz involving data and probability, counting principle, permutations and combinations, and graphs
6
11
15
17
Biased, voluntary
Biased, convenience
Unbiased, simple
Unbiased, stratified
Unbiased, systematic
9
14
70
100
108
39
31
16
5
15
120
3125
10
55
362880
3628800
8
12
15
30
3
120
720
1000
0
1/6
6/23
17/23