# Hypothesis Testing

Based on the question above(see attachment), test the hypothesis that p=0 and p(does not equal)0; use a 0.05 level of significance. What does it indicate?

* Pls note:I could not put a "slash through" the "equal" symbol above to represent "does not equal".

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#### Solution Preview

A correlation describes the strenght of an association between variables. An association between variables means that the value of one variable can be predicted, to some extent, by the value of the other. A correlation is a special kind of association: there is a linear relation between the values of the variables.

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<br>For a set of variable pairs, the correlation coefficient gives the strength of the association. The square of the size of the correlation coefficient is the fraction of the variance of the one variable that can be explained from the variance of the other variable. The relation between the variables is called the regression line. The regression line is defined as the best fitting straight line through all value ...