2 quick questions - please answer in one paragraph or less/ea - no plagiarism please

1. If two variables are measured on different scales with different units, e.g., the number of crimes committed and phases of the moon, how is it possible to derive a number, like a correlation coefficient, that expresses the relationship between the two variables? How is this done to produce the Pearson r correlation coefficient? Explain.

2. Assume you are a wealthy philanthropist. You want to contribute to help the children of single parents do better in elementary school. You enlist the aid of an educator who advises you to fund an organization that will provide tutors to help the children learn. Pilot work has shown a correlation of 0.30 between tutoring and increased performance in elementary school. Would you follow the advice of the educator? Explain