Describe connections among covariation and scatter diagram

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1. Briefly describe the connections among the following: covariation, scatter diagram, correlation, and linear relationship.

2. Indicate, with the use of a scatter diagram, the general shape of the scatter of data points in each of the following cases: (a) a strong positive correlation, (b) a weak negative correlation, (c) no correlation, (d) a correlation of -

3. What are the scaling assumptions assumed by Pearson product moment correlation?

Reference no: EM131277489

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