Data Analysis for Managers

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Data Analysis for Managers

• MIS 131

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Prerequisites

• MATH 23 or 24
• MIS 1 ABC
• STAT 1
• Exceptions?none

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Recommended

• OBE 130
• COMS 103
• Writing Proficiency

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Required Text

• Data Analysis for Managers
• Ninth Edition
• Taylor Hopfe

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Overview

• Prepared
• Present

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Exams

• Midterms
• October 7th
• November 16th
• Final
• 900 Dec 14th
• 1030 130 Dec 16th

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Final Exam

• Final Exam Schedule
• 900 a.m. Tues., Dec. 14
• 800 a.m. - 1000 a.m.
• 1030 a.m. Thurs., Dec. 16
• 1015 a.m. - 1215 p.m.
• 130 p.m. Thurs., Dec. 16
• 1245 p.m. - 245 p.m.

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Quizzes

• Unannounced
• Random
• In-class
• No make-ups

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Statistical Software

• Saclink account required for free copy of
  StatGraphics Plus Win 5.1.
• MS Office 2003 may be obtained at Bookstore ? 75
  (with current Student ID).

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Statistical Software

• StatGraphics Plus Win 5.1
• Saclink Account
• Down Load www.csus.edu/UCCS
• 53304001039594

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Statistical Software

• Suggestion
• Before downloading StatGraphics, create a folder
  on desktop MIS 131
• Download all StatGraphics files to the folder.
• Then, to install StatGraphics, use icon with
  blue-screen computer.
• Will need Saclink name and password.

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Statistical Software

• Have Microsoft Word, Excel, and PowerPoint
  installed on your computer preferably MS Office
  2003.
• Ensure that Data Analysis is available in
  Excel. Go to Tools, then to add-ins and
  click on both Analysis ToolPak options.

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Proc-List

• Set e-mail for plain text,
• Send message to LISTPROC_at_CSUS.EDU 
• In the message text area, type
•   SUBSCRIBE HOPFE131-L
• First name Last name
• END

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Grading

• Exams 100 points
• Quizzes 10 points
• Cases varies
• Homework varies
• Research Project 100 points
• Total points (approximately) TBD

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Grade Percents

• A 93 - 100 C 77 - 79
• A- 90 - 92 C 73 - 76
• B 87 - 89 C- 70 - 72
• B 83 - 86 D 67 - 69
• B- 80 - 82 D 63 - 66
• D- 60 - 62
• No Incomplete (I) F lt 60

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Academic Dishonesty

• Pledge
• Penalty
• Violations of proper ethical conduct will NOT be
  tolerated.

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Course Outline

• Schedule dates will hold
• additional assignments may occur
• Assignments given in class and via MIS 131
  Proc-List generated e-mail

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Cases

• team effort
• 1-3 members
• statistical analysis
• based on provided data
• Cross-Sectional
• Time Series
• Quality Control

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Research Project

• team effort
• 2-4 members
• statistical analysis
• Self-provided data
• Cross-Sectional
• Time Series

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Due Dates

• At beginning of class
• Courtesy Extension Period
• (10 )

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Questions?

• Download software this week.
• Install software NLT this week.

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Review Stat 1?
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Data Types

• Cross Sectional
• same random variable, multiple observations at
  a point in time

• Time Series
• same random variable, observations measured at
  consecutive equally spaced intervals of time

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Variation

• Common
• Numerous small causes of variability that are
  inherent to any system, operate randomly or by
  chance

• Specific
• Assignable, have relatively large effects on
  process, occur occasionally or sporadic

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z- or t-distribution?

• Sample size?
• n ? 30
• n gt 30
• Population variance?
• known
• unknown

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Stat 1 Review

• parameters vs. statistics
• mean
• variance
• sampling
• sampling distribution

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Stat 1 Review

• normal distribution
• confidence intervals
• hypothesis testing
• p-value
• z- vs. t-distribution

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Decision Results
H0 Innocent
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P-value

• Used to make rejection decision
• if p-value ? ?, reject H0
• true value of ?

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Questions?
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ANOVA
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