Answer the following questions regarding this test and the results.

i) State the null and alternative hypotheses.

ii) Why was "Correlated" selected as the hypothesis to test?

iii) What was the calculated r? Interpret the result.

iv) What does this result mean?

v) Report the results in

vi) What does the 95% confidence interval indicate?

vii) Would it be correct to conclude that physical activity causes lower history exam scores? Whyd. Answer the following questions regarding this test and the results.

i) What was the calculated R²?

ii) What does R² measure?

iii) What does this result indicate?

iv) Based on this result, can the best-fit line for the relationship between physical activity and history exam scores be used to make precise predictions about history exam scores?