Mathematics, 21.10.2020 03:01, ladypink94
A physics test has 50 questions. The table below represents the amount of time in
minutes that the students spent studying, and the number of total correct answers they
obtained in the test.
What is the correlation coefficient r of the table above?
F 0.75
45
60
75
G 0.48
90
Minutes, X
30
Correct answers, y 32
35
39
H 0.95
42
45
J 0.99
Answers: 3
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A physics test has 50 questions. The table below represents the amount of time in
minutes that the...
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