MCS 140: Elementary Statistics: Homework Assignments

Week Problems Section 2 due date
Section 1 due date
1 1.24, 1.26, 1.28; 7.2, 7.4, 7.14 M 2/18
T 2/19
2 1.6, 1.8, 1.10, 1.34, 1.36 M 2/25
T 2/26
3 2.2, 2.4, 2.9, 2.24, 2.26, 2.32
Pie chart newspaper item
M 3/3
T 3/4
4 2.34, 2.38, 7.11, 7.13, 7.17 M 3/10
T 3/11
5 10.4, 8.4, 8.6, 8.10, 8.30, 8.38, 8.44, 17.2, 17.4
Be sure to explain HOW you are selecting your samples.
Bar graph newspaper item
M 3/17
T 3/18
6 Portfolios, Lessons 1-9 W 3/19
R 3/20
10.6, 10.8, 10.10, 10.12, 10.34, 10.36, 10.38, 10.40 M 3/31
T 4/1
7 3.5, 3.6, .3.8, 3.10, 3.44, 3.45, 3.46 M 4/7
T 4/8
8 Mean (average) newspaper item W 4/9
R 4/10
11.2, 11.6, 11.8, 11.10, 11.26, 11.34, 11.36 M 4/14
T 4/15
9 20.2, 20.3, 20.4, 11.43 (answers in text are screwed up), 11.44, 17.26, 17.27 (Can do without understanding "z confidence interval and test") M 4/21
T 4/22
10 14.1, 14.3, 14.6, 14.30, 14.34, 14.38 M 4/28
T 4/29
11 14.8, 14.22, 14.26, 14.32, 14.30(c): What sample size n would yield a margin of error of 5 if the confidence level is 99%? M 5/5
T 5/6
Median newspaper item W 4/30
R 5/1
12 18.6ab, 18.26ab, 18.38, 18.30, 18.32; 20.8, 20.28, 20.32 M 5/12
T 5/13
13 Poll/survey newspaper item W 5/14
R 5/15
20.15, 20.16, 20.33, 20.41; 22.24, 22.25 M 5/19
T 5/20
Extra credit T 5/20