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Discuss the extent to which even the most basic of the statistical tools, scatterplots to determine...

Discuss the extent to which even the most basic of the statistical tools, scatterplots to determine correlations, are or are not used and why. Is it that they don't understand how a scatterplot can help them understand the data or do they not believe the data, or what?

Math   Statistics-And-Probability   
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Answer #1

The scatterplot is the most basic of the graphical statistical tool which is used to determine the relationship between two variable.

When the scatterplot of the two variables show the increasing treand or pattern then two variable are said to be positively correlated. If the scatterplot of the two variables show the decreasing treand or pattern then two variable are said to be negatively correlated

When the data points are evenly distributed that is there is no fixed pattern there is no linear relationship (un correlated).

While the scatterplot also represents the existence of non-linear relationship between two variable.

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