A specify the null and alternate hypotheses for testing, Ask an Expert

Statistics

The following data were collected on two variables X and Y.

X 1 2 4 6 10 12
Y 20 15 12 10 5 1

a) Specify the null and alternate hypotheses for testing that the population correlation is negative.

b) Calculate the estimate of the population correlation coefficient between X and Y.

c) Calculate the coefficient of determination.

d) Using a 5% significance level, test the hypothesis in part a).

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