Guide to Using Minitab 14 For Basic Statistical Applications - PowerPoint Presentation

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Guide to Using Minitab 14 For Basic Statistical Applications

To AccompanyBusiness Statistics: A Decision Making Approach, 8th Ed.Chapter 3:Describing Data Using Numerical MeasuresByGroebner, Shannon, Fry, & SmithPrentice-Hall Publishing CompanyCopyright, 2011

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Chapter 3 Minitab Examples

Population Mean Foster City HotelMean, Median, and Mode Colleges and Universities

More Examples

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Chapter 3 Minitab Examples (continued)

Measures of Variation Colleges and UniversitiesEmpirical Rule Burger N’ Brew

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Population Mean Foster City Hotel

Issue: Determine the mean nightly revenue for the Foster City Hotel.Objective: Use Minitab to calculate the population mean revenue Data File is FosterCity.MTW

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Open the Minitab file called

FosterCity.MTW

Population Mean – Foster City Hotel

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Select

Stat – Basic Statistics- Display Descriptive Statistics

Population Mean – Foster City Hotel

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Population Mean – Foster City Hotel

Select the desired variables

Click on Statistics

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Select Desired Statistics – Click

OK

Population Mean – Foster City Hotel

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Population Means

Population Mean – Foster City Hotel

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Mean, Median and ModeColleges and Universities

Issue: Can we produce a diagram which will enable us to review the various out of state tuition costs??Objective: Use Minitab to develop a histogram for the out-of-state tuition costs to give a perspective of the placement of the mean, median, mode.The file is Colleges and Universities.MTW

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Mean, Median, and Mode – Colleges and Universities

Open the file

Colleges and Universities.MTW

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Mean, Median, and Mode – Colleges and Universities

Select

Graph

,

Histogram

,

Simple

,

OK

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Mean, Median, and Mode – Colleges and Universities

Select Stock Price,

OK

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Mean, Median, and Mode – Colleges and Universities

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Measures of Variation Colleges and Universities

Issue: Determine the Standard Deviation, Minimum, and Maximum for selected colleges and universities’ out-of-state tuition. Objective: Use Minitab to calculate the standard deviation, minimum, and maximum for selected colleges and universities’ out-of-state tuition. Data file is Colleges and Universities.MTW

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Standard Deviation and Range – Colleges and Universities

Open file

Colleges and Universities.MTW

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Standard Deviation and Range - Colleges and Universities

Select

Stat

,

Basic Statistics

,

Display Descriptive Statistics

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Standard Deviation and Range – Colleges and Universities

Select

Mean

,

Standard Deviation

,

Minimum

,

Maximum

,

Range

and

OK

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Standard Deviation and Range – Colleges and Universities

The Session Window presents the statistics that were requested

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Empirical Rule Burger N’ Brew

Issue: Analyze the Phoenix Burger Sales DistributionObjective: Use Minitab to compute graphs and numerical measures necessary for using the empirical rule to analyze sales at Burger N’ Brew Data file is BurgerNBrew.MTW

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Open the data file called

BurgerNBrew.MTW

Data File contains sales for 365 days.

Empirical Rule – Burger N’ Brew

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Select

Graph- Histogram -Simple – Click OK

Empirical Rule – Burger N’ Brew

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Identify variable for analysis – Click

OK

Empirical Rule – Burger N’ Brew

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Finished Histogram – Bell Shaped Distribution

Empirical Rule – Burger N’ Brew

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To compute numerical measures –

Click Stat – Basic Statistics – Display Descriptive Statistics –Enter Desired Variable – Click Statistics

Empirical Rule – Burger N’ Brew

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Empirical Rule – Burger N’ Brew

Select

Mean

and

Standard Deviation

– Click OK

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Mean and Standard Deviation

Empirical Rule:

68% within 15.12

+ (1)3.1495% within 15.12 + (2)3.1499.7% within 15.12 + (3)3.1

Empirical Rule – Burger N’ Brew