DSC 670-123 Summer 2013 - Homework 2
Due Saturday 7/20/2013

**Point values below are tentative and subject to change.**

Please note the following rules for HW2 and all future HWs:
1) Graphing calculators (such as TI-73 or higher) may not be used on any portion of the assignment. Scientific and four-function calculators are allowed.
2) All graphs are to be created by hand. Other homework questions (including tables) can be done by hand or on the computer.
3) The answers to all questions or question parts that don't involve calculations/tables/graphs must be written in full sentences.
If you have any questions or misunderstandings about these rules, please let me know. Not following Rules 1 & 2 is a violation of the course syllabus and Adelphi's Honor Code and policies on Academic Honesty.

Assigned Sa 7/13
Reading (to review today's class):
  • Read Sections 2.5-3.3 of the textbook.
    Moodle Forum #1: Uses of Descriptive Statistics
  • 1) [8 pts.] Create a post where you write a paragraph describing at least 2 ways Descriptive Statistics can be used in your current job or field of work.
  • 2) [2 pts.] Respond to a classmate's post in at least 1 full sentence, where you can:
         compare what they describe with something related to your job/career
         AND/OR
         give your opinion of what they do
    Required Exercises for Chapter 2:
  • [5 pts.] Lab Exercise 2b - Part IV: Construct a cumulative relative frequency histogram.
  • [15 pts.] Lab Exercise 2c: Construct a frequency polygon, a percentage polygon, and a cumulative percent polygon (ogive).
  • [10 pts.] Page 57 Exercises 2.46, 2.47
  • [10 pts.] Page 63 Exercise 2.63
  • [10 pts.] Page 73 Read EndRunGuide.pdf and Answer Digital Case Questions 1,4
    Required Exercises for Chapter 3:
  • [25 pts.] Page 107 Exercise 3.3
  • [15 pts.] Page 115 Exercise 3.21
    Reading (to prepare for next class):
  • Read Sections 3.4-3.6 and Chapter 4 of the textbook.



    Last Modified: 7/14/13