Math
250  Statistical
Methods I
Fall 2017
Instructor: Bo Kai
Office: 350 Robert Scott
Small Building
Phone: (843) 9538017
Email: KaiB@cofc.edu
Office Hours: TR
2:00  3:00 pm or by appointment
Syllabus: Click here
Textbook: Introductory Statistics (10th Edition), by Neil A. Weiss, Published by Pearson.
Textbook Companion Website: Click here
Academic Calendar: Click
here
Final Exam Schedule: Click here
Course Calendar
Week

Tuesday

Thursday

1

08/22

08/24

2

08/29

08/31 Quiz 1; HW1 Due

3

09/05

09/07

4

09/12 Storm

09/14

5

09/19 Quiz 2; HW2 Due

09/21

6

09/26

09/28

7

10/03 Test 1; HW3 Due

10/05

8

10/10

10/12

9

10/17

10/19 Quiz 3; HW4 Due

10

10/24

10/26 Withdraw Deadline on 10/27

11

10/31

11/02 Quiz 4; HW5 Due

12

11/07

11/09

13

11/14

11/16 Test 2; HW6 Due

14

11/21

11/23 Thanksgiving

15

11/28

11/30 Review

Final

12/0612/13

Homework
Assignments
Answers to oddnumbered problems are
included in your textbook!
Instructions:
 All homework problems are
from your textbook.
 Problems in BLACK color are handwritten problems.
Problems in RED color
are Minitab problems, which need the use of Minitab to answer questions.
 To save paper, DO NOT print outputs/graphs directly from
Minitab! Please copy and paste Minitab outputs/graphs into
a Word document such that you
can edit and then print.
 Datasets can be found in
the book CD or downloaded from the Textbook
Companion Website. Please use Minitab Files (Format) or Text Files
(Format).
 Minitab is available on
most campus computers. Personal copies can be obtained via 30day
trial (free) or 6month rental (for $30). Please visit http://www.onthehub.com/minitab/
for more details.
 Minitab 18 for PC is a
full version, while Minitab Express for Mac is a light version. The
Minitab instructions provided with HW problems are based on Minitab for PC. If
you are using Minitab Express for Mac, the interface
is somewhat different from the one of Minitab for PC. You may either
explore and figure out by yourself or ask me for help.

HW1
Due 08/31

08/22

Section
§1.1: 1.7,
1.9, 1.13, 1.15.
Section
§1.2: 1.45, 1.51.

08/24

Section
§2.1§2.3: 2.7, 2.9, 2.15, 2.16, 2.39, 2.110.
Section §2.4: 2.143, 2.145, 2.146,
2.149, 2.151, 2.153.
 For
2.39,
select Stat => Tables => Tally Individual Variables,
check both ‘Counts’ and ‘Percents’;
Graph => Pie Chart; Graph => Bar Chart.
 For
2.110,
select Graph => Histogram; Graph => Dotplot; Graph => StemandLeaf.
 For 2.153, select Graph => Histogram.

08/29

Section §3.1: 3.19, 3.27, 3.47, 3.51,
3.55, 3.56.
Section §3.2: 3.64, 3.71, 3.81, 3.87, 3.91.
Section §3.3: 3.109, 3.121, 3.133,
3.137, 3.139.
Section §3.4: 3.163, 3.165.
 For 3.47, 3.51, 3.87 and 3.91, use Stat => Basic Statistics =>
Display Descriptive Statistics. To obtain Mode and/or other
statistics, please check the ‘Statistics…’ button.
Study for
Quiz 1, which covers §1.1 – §1.2, §2.1
– §2.4, §3.1 – §3.4 (excluding boxplots).

HW2
Due 09/19

08/31

Section §3.4: 3.167, 3.169, 3.178,
3.181, 3.183,
3.191.
Section
§3.5: 3.192, 3.209, 3.213, 3.217, 3.218, 3.223, 3.225.
 For
3.183,
choose Graph => Boxplot, and select Simple in the One Y row.
 For
3.191,
choose Graph => Boxplot, and select Simple in the Multiple Y’s row.

09/05

Section §4.1: 4.19, 4.25.
Section §4.2: 4.42, 4.43, 4.45, 4.65,
4.69, 4.76.
Section §4.3: 4.85, 4.86, 4.97, 4.98,
4.99, 4.101.

09/07

Section
§4.8: 4.247, 4.251, 4.253, 4.258, 4.261, 4.262, 4.263, 4.265,
4.267, 4.268.

09/12

Class cancelled due to Storm!

09/14

Section
§4.5: 4.127, 4.129, 4.135, 4.147, 4.151.
Section
§4.6: 4.161, 4.177, 4.189, 4.191, 4.199.
Study for
Quiz 2, which covers §3.4, §3.5, §4.1,
§4.2, §4.3, §4.8, §4.5, §4.6.

HW3
Due 10/03

09/19

No assignment today.

09/21

Section
§4.7: 4.211, 4.213, 4.217, 4.222, 4.223.

09/26

Section
§5.1: 5.9, 5.11, 5.17, 5.21, 5.22.

09/28

Section §5.2: 5.31, 5.37, 5.39, 5.41,
5.43, 5.48.
Study for
Test 1, please follow the study guide for Test 1 in OAKS!

HW4
Due 10/19

10/05

Section
§5.3: 5.65, 5.73, 5.76, 5.63, 5.77, 5.79, 5.81, 5.83, 5.85, 5.87.
You may leave the parts about finding mean and
standard deviation of Binomial to after 10/10’s lecture.

10/10

Section
§5.3: Finish the parts about finding mean and standard deviation
of Binomial in the above problems.

10/12

Section
§6.2: 6.59, 6.61, 6.63, 6.65, 6.69, 6.70, 6.71, 6.75, 6.77, 6.83.
 To deal with normal distributions, the TI functions
“normalcdf()” and “invnorm()”
are recommended (instead of the normal table).

10/17

Section §6.3: 6.97, 6.99, 6.103, 6.109, 6.112.
Study for
Quiz 3, which covers §5.3, §6.1 – §6.3.

HW5
Due 11/02

10/19

Section §6.4: 6.121, 6.123, 6.135, 6.136.
 For
6.135&6.136,
select Graph => Histogram; Graph => Probability Plot.

10/24

Section
§7.2: 7.41, 7.47, 7.51.
Section
§7.3: 7.67, 7.71, 7.73, 7.75, 7.77, 7.80.

10/26

Section §8.2: 8.69, 8.74, 8.77, 8.91, 8.93, 8.99.
 For 8.91, use Graph => Probability
Plot.
 For 8.93 and 8.99, use Stat => Basic
statistics => 1Sample z
to obtain confidence intervals. Make sure to check the Options button to adjust
confidence levels, etc.

10/31

Section
§8.2: 8.79, 8.81, 8.85, 8.89.
Section §8.3: 8.129, 8.131, 8.133, 8.135, 8.141.
 For 8.135, use Graph => Probability
Plot.
 For 8.141, choose Stat => Basic statistics => 1Sample t. Make sure to check the Options button to adjust
confidence levels, etc.
Study for
Quiz 4, which covers §6.4, §7.1 – §7.3,
§8.1 – §8.3.

HW6
Due 11/16

11/02

No assignment today. Have a great weekend!

11/07

Section
§9.1: 9.15, 9.17, 9.19, 9.21, 9.23, 9.25, 9.27, 9.29.

11/09

Section §9.4: 9.83, 9.85, 9.87, 9.90, 9.91, 9.93.
 Please use the pvalue approach for all hypothesis
test problems.
 For 9.91 and 9.93, choose Stat => Basic statistics =>
1Sample z.
Make sure to check the Options
button to adjust the alternative hypothesis.

11/14

Section §9.3: 9.53, 9.55, 9.57, 9.61.
Section §9.5: 9.113, 9.115, 9.117, 9.120, 9.123.
 Please use the pvalue approach for handwritten
problems.
 For 9.123, choose Stat => Basic statistics => 1Sample t. Make sure to check the Options button to adjust the
alternative hypothesis.
Study for
Test 2, please follow the study guide for Test 2 in OAKS!




Note:
 Homework
problems will be assigned after each lecture and
collected biweekly in class.
 Answers
to oddnumbered problems are included in your textbook.
 Detailed
solutions will be posted online after each collection.
 It
is your responsibility to check your homework answers
against the posted solutions.
Grades and Course Materials
─ Please check your grades under the Grades menu
in OAKS.
─ Please view/download course materials, such as lecture slides,
solutions, study guides, etc., under the Content menu
in OAKS.
Group Project
─ You’ll earn up to 5 bonus points
after completing the group project.
─ Detailed information and instruction will be posted in OAKS.
Supplementary
Materials
1. Random Numbers Table
2. Binomial Distribution Table
3. Standard Normal
Distribution Table
4. t Distribution Table
5. Poker
Probability from Wikipedia
6.
Java Applet: Sampling Distribution
College of Charleston Honor Code
