Understanding Business Drivers and Improving Business Forecasts

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BigDIncorporated.pptx

Big D Incorporated

Business Analysis

Nominal vs. Ordinal Data

Nominal data is used to “name,” or label without any quantitative values.

Often, data is called "named"-a term derived from the nominal word.

You can count and order but not measure; Gender, eye color, and hair color.

Ordinal data provide good information about the order of choices.

Often, data is called “order”- a term derived from the ordinal word.

Ordinal data are typically measure of non-numeric concepts; customer survey, happiness, and discomfort.

Nominal data is used to “name,” or label without any quantitative values.

Often, data is called "named"-a term derived from the nominal word.

You can count and order but not measure; Gender, eye color, and hair color

Ordinal data provide good information about the order of choices.

Often, data is called “order”- a term derived from the ordinal word.

Ordinal data are typically measure of non-numeric concepts; customer survey, happiness, and discomfort.

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Sporting Good Qualitative Attributes

Ordinal- specific order or ranking.

Customer satisfaction survey using a rating scale of one to five. One representing the lowest and five representing the highest.

Ranking customer’s opinion with overall shopping experience.

Nominal- measuring categorized responses.

Brands, location and sizes.

Ordinal- specific order or ranking.

Customer satisfaction survey using a rating scale of one to five. One representing the lowest and five representing the highest.

Ranking customer’s opinion with overall shopping experience.

Nominal- measuring categorized responses.

Brands, location and sizes.

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Ordinal Attributes: 5 Point Rating Scale

Rate one (lowest) to five (highest)
Subject Dissatisfied Some What Dissatisfied Some What Satisfied Satisfied Highly Satisfied
Customer Service 5
Sizes 4
Location 3
Price 2
Brands 1

Interval vs. Ratio Data

Interval Data is one where there is order and the difference between two values is meaningful and equal.

No true zero point or fixed beginning.

Example: Zero degrees Fahrenheit, time of each day in a 12-hour clock, and test scores (SAT and ACT).

Ratio Data has a clear definition of zero.

Measured from absolute zero.

Examples: Height, weight, and number of children.

Interval Data is one where there is order and the difference between two values is meaningful and equal.

No true zero point or fixed beginning.

Example: Zero degrees Fahrenheit, time of each day in a 12-hour clock, and test scores (SAT and ACT). On the other hand .ratio data has a clear definition of zero.

Measured from absolute zero

Examples: Height, weight, and number of children

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Sporting Goods Quantitative Attributes

Quantitative Attributes- numerical

Different brands of tennis shoes

Different sizes for males

Different sizes for females

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Quantitative Attributes- numerical

Different brands of tennis shoes

Different sizes for males

Different sizes for females

Population vs. Sample

Population data set contains all members of a specified group (the entire list of possible data values).

Examples: 8 thousand students at CTU, 10 dogs in a shelter.

Sample data set contains all members of a specified group (the entire list of possible data values).

Examples: Number of male and female students, how many dogs have been adopted.

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Population data set contains all members of a specified group (the entire list of possible data values).

Examples: 8 thousand students at CTU, 10 dogs in a shelter.

Sample data set contains all members of a specified group (the entire list of possible data values).

Examples: Number of male and female students, how many dogs have been adopted.

References

Blog, F. (2019, September 5). The 4,5, and 7 Point Likert Scale [Questionnaire Examples]. Retrieved January 12, 2020, from https://www.formpl.us/blog/point-likert-scale.

Bowerman, B., O'Connell, R., Murphree, E., & Orris, J. B. (2014). VitalSource Bookshelf Online. Retrieved January 12, 2020, from https://online.vitalsource.com/#/books/1259616401/cfi/36!/4/[email protected]:28.5.

Roberts, D., & Roberts, F. (2012). Retrieved January 12, 2020, from https://mathbitsnotebook.com/Algebra1/StatisticsData/STPopSample.html.