Problem 1: Recall from Chapter 1 that the Focus database contains information on the undergraduate students at the University of Wisconsin (UWEC). Statistical analyses for this database should be done with the technology of your choice.

1. Obtain cumulative GPAs (GPA) and high school percentiles (HSP) of a simple random sample of 50 UWEC undergraduate students.
2. Determine the linear correlation coefficient of the data obtained in part a).
3. Repeat parts a) and b) for cumulative GPA and each of ACT English score (ENGLISH), ACT math score (MATH) and ACT composite score (COMP). Be sure to retain all four pairs of samples
4. Among the variables high school percentile, ACT English score, ACT math score, and ACT composite score, identify the one that appears to be the best predictor of cumulative GPA. Explain you reasoning.

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