PEARSON-PRODUCT-MOMENT CORRELATION TOPIC Determine whether the following bivariate data are correlated or not. If they are correlated, tell the direction of the association. Evaluate whether the correlation is most likely strong or weak and explain why. Annual income of the family and floor area of the residence house. Age and price of a car. Gross national product and level of technology of a country. Age and reaction time of persons over 18 years of age. Yearly income and number of years of schooling of company owners.
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The correlation coefficient (r) ranges from -1 to 1, where -1 indicates a perfect negative linear relationship, 0 indicates no linear relationship, and 1 indicates a perfect positive linear relationship. A strong correlation is generally considered to be one that Show more…
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