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A teacher believes that the third homework assignment is a key predictor

October 23, 2020/in Feeds /by admin

A teacher believes that the third homework assignment is a key predictor
in how well students will do on the midterm. Let x represent the third homework score and y the midterm exam score. A random sample of last terms students were selected and their grades are shown below. Assume scores are normally distributed. Calculate the correlation coefficient using technology (you can copy and paste the data into Excel). Round answer to 4 decimal places.
Make sure you put the 0 in front of the decimal.

HW3
12.9
21.9
8.8
24.3
6.6
13.2
21.9
19.2
20
15.4
25
12.7
6.4
20.2
22.8
23.1
22
11.9
14.9
18.2
15.1
15.2
17.1

Midterm
59.711
87.539
53.728
95.283
42.174
66.092
88.829
78.977
86.2
73.274
93.25
55.257
43.984
79.762
84.258
92.911
87.82
54.034
71.869
76.805
70.431
66.45
79.034