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Introduction to bivariate analysis - Statistics

Introduction to bivariate analysis When one measurement is made on each observation,univariateanalysisis more than one measurement is made on each observation,multivariate analysisis this section, we focus onbivariate analysis , where exactly twomeasurements are made on each two measurements will be calledXandY. SinceXandYare obtained for each observation, the data for one observationis the pair (X, Y). bivariate data can be stored in a table with two columns:X YObs. 12 1 Obs. 24 4 Obs. 33 1 Obs. 47 5 Obs. 55 6 Obs. 62 1 Obs. 74 4 Obs. 83 1 Obs. 97 5 Obs. 105 6 Some examples: Height (X) and weight (Y) are measured for each individ-ual in a sample. Stock market valuation (X) and quarterly corporate earn-ings (Y) are recorded for each company in a sample.

Introduction to bivariate analysis • When one measurement is made on each observation, univariate analysis is applied. If more than one measurement is made on each observation,

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