STA 10 Basic Statistics and Quantitative Literacy

Time and Location: Class Time MWF 8:45am-9:35am, Room: 116 Old Chem

Instructor: Elizabeth Mannshardt-Shamseldin

Office Hours: WF 9:35am - 10:30am and by appointment

Office: 216 Old Chem

Contact Information: (919) 681-8443 - elizabeth "@" stat.duke.edu - Instructor Webpage

Announcements

5/08: Final Grades: Final Adjusted Course Grades

04/22: Final Exam: May 1st 9am. BRING A CALCULATOR!

04/22: Extra office hours: Thursday, Apr 30th 2-4pm. Regular office hours will no longer be held. I will be in and out of my office the next couple of weeks. Feel free to stop by my office anytime, or email to arrange a time.

04/17: All Exam Scores, Including Quiz 3 Scores

04/13: The in-class quiz has been rescheduled for Fri, Apr 17th. Quiz covers Chs 12-14 and Ch 16. BRING A CALCULATOR!

04/13: The last journal and HW are due Mon, Apr 20.

04/8: The in-class quiz has been rescheduled for Wed, Apr 15th. Quiz covers Chs 12-14 and Ch 16. BRING A CALCULATOR!

04/06: There will be an in-class quiz on Friday, Apr 10th. Quiz covers Chs 12-14 and Ch 16. BRING A CALCULATOR!

04/03: Found - lost Sta10 book. Pick up in my office.

03/23: Midterm Two Scores

03/18: Practice problem set with solutions available - stop by my office to pick up.

03/18: HW8 will be available to pick up in the SECC by Wed afternoon.

03/16: 2nd Midterm Chs 7-11 Friday, Mar 20th. Additional office hours Thurs Mar 19th 2-4pm. BRING A CALCULATOR!

03/06: Next HW due Wed , Mar 18th

03/04: 03/04 Quiz 2 Scores

03/02: Tentatively, the remaining problems from Ch 10 are #s 12, 13, 14, and 15 for the HW due on Friday, Mar 6th. This may change due to what is covered on Wed and the official problem set will be updated and assigned after Wed's class. Students are welcome to turn a physical copy of the HW in early to my office any time Wed or Thurs. No email copies will be accepted.

03/02: The in-class quiz is still scheduled for Wed, Mar 4th. Quiz covers Chs 7-9. BRING A CALCULATOR!

02/27: There will be an in-class quiz on Wed, Mar 4th. Quiz covers Chs 7-9. BRING A CALCULATOR!

02/13: Please see me in my office hour if you missed all 5 points on Question 2 of the first midterm.

02/10: Midterm One Scores - UPDATED

02/06: HW4 turned in 02/06 will be graded and available in the SECC on Sunday afternoon, 02/08

02/04: No group work or quiz will take place in class on Friday, March 6th before spring break*. There will be a class meeting and lecture.
*There may be a HW due. Arrangements must be made ahead of time to turn in a physical copy of any HW due. No email copies will be accepted.

02/02: 01/31 Quiz Scores

02/02: HW Scores as of 02/02*
*Any corrections made to HW scores are kept in a separate file and will be denoted on the final HW scoresheet.
This is to prevent corrections from being "lost" as versions of the scoresheet are traded back and forth between the professor and grader.

01/28: In-class quiz on Friday, Jan 30th. Chs 1-4.

01/08: No office hours Wed Jan 14th or Friday Jan 16th. Rescheduled for Monday Jan 12th 9:35am-10:30am.

01/05: First Day of Class: Wednesday, Jan 7th

Homework (Must be stapled with name and all material legible to receive credit)

Dates Assigned Reading Lecture Homework Due Problems Complete Set*
04/10 Ch 18 by 04/13

 #12 Mon , Apr 20th Ch 16: 18, 21, 23, 24

Ch 18: 7, 10, 12, 15

Yes
04/03 Ch 16 by 04/06 4/03

 #11 Fri Apr 10th Ch 15:3, 15, 18

Ch 16: 1, 3, 4, 9, 10, 15, 17, 19

Yes
03/27 Ch 13, 14, and 15 by 03/30

by 4/03

 #10 Fri Apr 3rd Ch 13: 11, 12, 15

Ch 14: 2, 3, 18

Ch 15: 1, 2, 6, 8, 12

Yes
03/18, 3/23, 3/25 Ch12 and 13 by 03/23 #9 Fri Mar 27th Ch 12: 3, 6, 9, 5, 16, 11, 14, 17

Ch13: 3, 4, 9, 10

Yes
03/06 Ch11 by 03/16 #8 Wed , Mar 18th Ch 11: 1, 4, 15, 3, 7, 16

Yes
02/27, 03/04 Ch10 by 03/02 #7 Fri, Mar 6th Ch 10: 1, 2, 5, 7, 12, 13, 14, 15

Yes
02/18, 2/20, 2/23, 02/25 Ch8 and 9 by 02/23 #6 Fri, Feb 27th Ch 8: 1, 6, 3, 4, 8, 9, 16, 24, 25

Ch 9: 4, 8, 10, 2, 5

Yes
02/11, 2/13 Ch7 by 02/13 #5 Fri, Feb 20th Ch 7: 12, 13, 25, 4, 8, 19, 28

Yes
01/30, 02/02 Ch5 by 02/02 #4 Fri, Feb 6th Ch 5: 7, 17, 2, 15, 22, 23

Case Study 5.1 pg 89: Would a matched-pair design, randomized block design, or neither be a good method for this experiment? Briefly explain.

Yes
01/23, 01/26 Ch4 by 01/26 #3 Fri, Jan 30th Ch 4: 17, 27, 4, 16, 25, 18, 20

Yes
01/14, 1/21 Ch3 by 01/14 #2 Fri, Jan 23rd Ch3: 4, 16, 18 or 19 (due to typo), 6, 8, 12, 13, 25

Yes
01/07, 01/09, 01/12 Ch1, Ch 2 by 01/09 #1 Fri, Jan 16th Ch1: 6, 7, 11, 13, 17

Ch2: 8, 10

Yes
*Homework will be assigned per class period after covering relevant material in the lecture, accumulating over 2-4 lectures.
When all problem have been posted for an assignment, it will be considered a complete set and no additional problems will be assigned for that HW.

Journal Entries (Must be typewritten to receive credit)

Entry Date Assigned Article Date Due
IV 04/01 Time Series Analysis
From the website, you will be looking at two sets of data:
From Chapter 1 (on the site) : US Treasury Bill Contracts and from Ch 2: Accidental Deaths in the US

For each data set:
*Create a timeplot (using 1-n months, etc, is fine for the time scale.)
*Describe the series by considering the four components.
*On your timeplot, find the equation for the regression line (using Excel is recommended - Click on Chart - Add Trendline to plot under "Chart" menu).
*Using the equation for the regression line, detrend the series.
*Plot the new, detrended series. Describe the series by considering the four components.
*Give a brief "common sense" definition of any trends that you do or do not see.

04/20
III 03/18 Stock Market Trend Analysis
Read the article and consider the relationship over time of the percent change in value of the NASDAQ 100.

Write a paragraph comparing and contrasting the two trends in market behavior shown in the two time plots.
Does the current level (Oct 2008 - top plot) of percent change in stock value seem to follow the trend over the last 5-6 years?
Comment (1-2 sentences) on where you feel the economy stands in terms of stock value.
03/30
II 02/13 Gender and Bachelor's Degrees
    For each gender, for the year 1998, create appropriate numerical and visual summaries of the data as discussed in Chapter 7. (The visual summaries can be hand-drawn or computer generated.)
    Describe each distribution separately, and compare the distribution of the two genders.
Note: Only consider the subcategories for degrees. (ie, Physical Sciences, etc.) Include "Engineering Technologies". Do NOT include the rows for "ALL" or the "Combined" totals if more than one subcategory. (ie, Natural Sciences, etc).
 02/27
I - A 01/12 50% Divorce Rate?
Critique the article's argument. Summarize a method in which the divorce rate could be calculated.
Address how you would devise an observational study or randomized experiment as appropriate.
Comment on each of the Seven Components of a Statistical Study. 		01/30
I - B 01/19 Bias & Variability
Identify and label the sources of bias and variability identified in the article's abstract.
(Note: Read the abstract provided ONLY. Do not need to find entire article.) 		1/30