Data AnalysisData Analysis for for

ManagersManagersMIS 131MIS 131

PPrerequisitesrerequisites MATH 23 or 24MATH 23 or 24 MIS 1 ABCMIS 1 ABC STAT 1 STAT 1

Exceptions?…noneExceptions?…none

RRecommendedecommended OBE 130OBE 130 COMS 103COMS 103 Writing Proficiency Writing Proficiency

RRequiredequired TTextext

Data Analysis for Data Analysis for ManagersManagers

[Ninth Edition][Ninth Edition]

Taylor & HopfeTaylor & Hopfe

OOverviewverview

PreparedPrepared PresentPresent

EExamsxams

MidtermsMidterms October 7October 7thth

November 16November 16thth

FinalFinal9:00 9:00 Dec 14Dec 14thth

10:30 & 1:30 10:30 & 1:30 Dec 16Dec 16thth

FFinalinal E Examxam

Final Exam ScheduleFinal Exam Schedule 9:00 a.m. 9:00 a.m. Tues., Dec. 14Tues., Dec. 14 8:00 a.m. - 10:00 a.m.8:00 a.m. - 10:00 a.m. 10:30 a.m. 10:30 a.m. Thurs., Dec. 16Thurs., Dec. 16 10:15 a.m. - 12:15 p.m.10:15 a.m. - 12:15 p.m. 1:30 p.m. 1:30 p.m. Thurs., Dec. 16Thurs., Dec. 16 12:45 p.m. - 2:45 p.m.12:45 p.m. - 2:45 p.m.

QQuizzesuizzes

UnannouncedUnannounced RandomRandom In-classIn-class No make-upsNo make-ups

Statistical SoftwareStatistical Software

Saclink account Saclink account required for free required for free copy of StatGraphics copy of StatGraphics Plus Plus Win Win ® 5.1. .

MS Office 2003 MS Office 2003 may be obtained at may be obtained at Bookstore Bookstore $75 $75 (with current Student ID).(with current Student ID).

Statistical SoftwareStatistical Software

StatGraphics StatGraphics Plus Plus Win Win ® 5.1

Saclink AccountSaclink Account Down Load Down Load

www.csus.edu/UCCSwww.csus.edu/UCCS

5330400103959453304001039594

Statistical SoftwareStatistical Software

SuggestionSuggestion……………… Before downloading StatGraphics, create Before downloading StatGraphics, create

a folder on desktop … a folder on desktop … MIS 131MIS 131 Download all StatGraphics files to the Download all StatGraphics files to the

folder.folder. Then, to install StatGraphics, use icon Then, to install StatGraphics, use icon

with blue-screen computer.with blue-screen computer. Will need Saclink name and Will need Saclink name and

passwordpassword..

Statistical SoftwareStatistical Software

Have Microsoft Word, Excel, and Have Microsoft Word, Excel, and PowerPoint installed on your computer PowerPoint installed on your computer … preferably MS Office 2003.… preferably MS Office 2003.

Ensure that “Data Analysis” is available Ensure that “Data Analysis” is available in Excel. [Go to “Tools”, then to “add-in Excel. [Go to “Tools”, then to “add-ins” and click on both “Analysis ins” and click on both “Analysis ToolPak” options.]ToolPak” options.]

PProcroc-L-Liistst

Set e-mail for “plain text,” Set e-mail for “plain text,” Send message to:Send message to:

LISTPROC@CSUS.EDU LISTPROC@CSUS.EDU  In the message text area,

type:

   SUBSCRIBE HOPFE131-LSUBSCRIBE HOPFE131-L First name Last nameFirst name Last name

ENDEND

GGradingrading

Exams Exams 100 points100 points QuizzesQuizzes 10 points10 points CasesCases [varies][varies] HomeworkHomework [varies][varies] Research Project Research Project 100 points 100 points

Total points (approximately) = TBDTotal points (approximately) = TBD

GGrade rade PPercentsercents

AA 93 - 100%93 - 100% C+C+ 77 - 7977 - 79A-A- 90 - 9290 - 92 CC 73 - 7673 - 76B+B+ 87 - 8987 - 89 C-C- 70 - 7270 - 72BB 83 - 8683 - 86 D+D+ 67 - 6967 - 69B-B- 80 - 8280 - 82 DD 63 - 6663 - 66

D-D- 60 - 6260 - 62No Incomplete (I) FF < 60 < 60

Academic Academic DishonestyDishonesty

PledgePledgePenaltyPenalty Violations of Violations of

proper ethical proper ethical conduct will NOT conduct will NOT be tolerated.be tolerated.

CCourseourse O Outlineutline

• Schedule dates will holdSchedule dates will hold[additional assignments may occur][additional assignments may occur]

• Assignments given in Assignments given in class and via MIS 131 class and via MIS 131 Proc-List generated e-Proc-List generated e-mailmail

CasesCases

team effort team effort 1-3 members1-3 members

statistical analysisstatistical analysis• based on provided databased on provided data

Cross-SectionalCross-Sectional Time SeriesTime Series

Quality ControlQuality Control

Research ProjectResearch Project

team effort team effort 2-4 members2-4 members

statistical analysisstatistical analysis• Self-provided dataSelf-provided data

Cross-SectionalCross-Sectional Time SeriesTime Series

Due DatesDue Dates

At beginning of classAt beginning of class

““Courtesy Extension Courtesy Extension Period”Period”

(10 %)(10 %)

QQuestions?uestions?

Download software this week.Download software this week.

Install software NLT this weekInstall software NLT this week..

Review Stat 1?Review Stat 1?

Data TypesData Types Cross Cross

SectionalSectional

same random same random variable, variable, multiple multiple observations at observations at a point in timea point in time

Time SeriesTime Seriessame random same random variable, variable, observations observations measured at measured at consecutive consecutive equally spaced equally spaced intervals of intervals of timetime

VariationVariation CommonCommon

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

SpecificSpecific

Assignable, Assignable, have relatively have relatively large effects on large effects on process, occur process, occur occasionally or occasionally or sporadicsporadic

z- or t-distributionz- or t-distribution??

Sample size?Sample size?• n n 30 30• n > 30n > 30

Population variance?Population variance?• known known • unknownunknown

Stat 1 RStat 1 Revieweview parameters vs. statisticsparameters vs. statistics meanmean variancevariance samplingsampling sampling distributionsampling distribution

Stat 1 RStat 1 Revieweview

normal distributionnormal distribution confidence intervalsconfidence intervals hypothesis testinghypothesis testing p-valuep-value z- vs. t-distributionz- vs. t-distribution

Levine, Prentice-Hall

Decision ResultsDecision ResultsHH00: Innocent: InnocentJury Trial H0 Test

Actual Situation Actual Situation

Verdict Innocent Guilty Decision H0 True H0 False

Innocent Correct Error Do NotReject H0

CorrectType II

Error ()

Guilty Error Correct Reject H0Type I

Error ()Correct

Levine, Prentice-Hall

P-valueP-value

Used to make rejection decisionUsed to make rejection decision

• if p-value if p-value , reject H, reject H00

• true value of true value of

Questions?Questions?

ANOVAANOVA