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1. Students in LEAD 5700 took a pre-test of their statistics knowledge, and a final exam testing their statistics knowledge. The professor hypothesizes that the

1. Students in LEAD 5700 took a pre-test of their statistics knowledge, and a final exam testing their statistics knowledge. The professor hypothesizes that the students' pre-test scores will be positively related to their final exam scores. Is this hypothesis accurate? Use the students' pre-test scores (PreScore) and the students' final exam scores (FinalScore) to compute a Pearson R correlation to determine the validity of this hypothesis.

a. What is the professor's research question?

b. Is this hypothesis accurate? How can you tell?

c. Create a scatterplot of the correlation between PreScore and FinalScore.

FinalScore Questions COEProgram Gender StatView1 StatView2 StatView3 StatComfort PreScore Race/Ethnicity
87.00 1.00 1 0.00 4.00 3.00 4.00 3.67 80.00 1.00
100.00 1.00 2 0.00 4.00 5.00 5.00 4.67 90.00 3.00
87.00 0.00 1 0.00 4.00 4.00 4.00 4.00 67.00 2.00
99.00 1.00 3 1.00 5.00 5.00 1.00 3.67 88.00 2.00
81.00 0.00 1 1.00 2.00 2.00 2.00 2.00 67.00 4.00
54.00 0.00 1 0.00 1.00 1.00 3.00 1.67 49.00 4.00
81.00 0.00 2 1.00 3.00 2.00 2.00 2.33 80.00 5.00
96.00 1.00 2 0.00 4.00 3.00 3.00 3.33 80.00 5.00
90.00 1.00 3 0.00 3.00 3.00 3.00 3.00 87.00 5.00
72.00 0.00 1 1.00 1.00 1.00 2.00 1.33 70.00 5.00
96.00 1.00 3 0.00 4.00 4.00 4.00 4.00 78.00 1.00
98.00 1.00 3 0.00 5.00 5.00 4.00 4.67 79.00 1.00
78.00 0.00 1 1.00 2.00 2.00 2.00 2.00 69.00 4.00
66.00 0.00 2 1.00 2.00 2.00 2.00 2.00 69.00 4.00
89.00 0.00 3 1.00 5.00 4.00 5.00 4.67 80.00 1.00
90.00 1.00 1 1.00 4.00 4.00 5.00 4.33 80.00 1.00
88.00 1.00 1 1.00 4.00 4.00 4.00 4.00 79.00 5.00
95.00 1.00 3 0.00 5.00 5.00 5.00 5.00 90.00 5.00
100.00 1.00 2 1.00 4.00 3.00 3.00 3.33 93.00 3.00
80.00 0.00 2 0.00 3.00 3.00 3.00 3.00 80.00 2.00
70.00 1.00 1 1.00 2.00 2.00 3.00 2.33 69.00 2.00
99.00 1.00 3 0.00 4.00 4.00 4.00 4.00 96.00 1.00
100.00 1.00 3 1.00 5.00 5.00 5.00 5.00 90.00 2.00
87.00 1.00 3 1.00 3.00 4.00 3.00 3.33 80.00 2.00
85.00 1.00 2 1.00 3.00 3.00 2.00 2.67 80.00 5.00
45.00 0.00 2 1.00 1.00 2.00 2.00 1.67 50.00 4.00
65.00 0.00 2 0.00 1.00 1.00 2.00 1.33 60.00 4.00
77.00 0.00 1 0.00 3.00 3.00 4.00 3.33 70.00 3.00
79.00 0.00 1 0.00 2.00 2.00 2.00 2.00 78.00 2.00
92.00 0.00 1 1.00 4.00 4.00 5.00 4.33 88.00 5.00
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