Slide 7 elementsunits of observation are the entities

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Unformatted text preview: rvation. Slide 7 Elements/units of observation are the entities on which data are collected . Stock Exchange AMEX OTC NYSE NYSE AMEX Annual Earn/ Sales($M) Sh.($) 73.10 74.00 365.70 111.40 17.60 0.86 1.67 0.86 0.33 0.13 Company Dataram EnergySouth Keystone LandCare Psychemedics Unit of Obs. Data Set Slide 8 Variable is a characteristic of interest for the elements Variables Company Dataram EnergySouth Keystone LandCare Psychemedics Unit of Obs. Stock Exchange AMEX OTC NYSE NYSE AMEX Annual Earn/ Sales($M) Sh.($) 73.10 74.00 365.70 111.40 17.60 0.86 1.67 0.86 0.33 0.13 Data Set Slide 9 3 Set of measurements collected for a particular element is called an observation Variables Company Dataram EnergySouth Keystone LandCare Psychemedics Unit of Obs. Stock Exchange AMEX OTC NYSE NYSE AMEX Annual Earn/ Sales($M) Sh.($) 73.10 74.00 365.70 111.40 17.60 0.86 1.67 0.86 0.33 0.13 Data Set Slide 10 Data, Data Sets, Elements, Variables, and Observations Variables Company Dataram EnergySouth Keystone LandCare Psychemedics Unit of Obs. Stock Ex...
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