Physics, 24.01.2020 00:31 kstyleszdance
Aleast squares regression line was created to predict the exam 3 score of sta 2023 students based on their exam 1 score. the study found that the value of r-squared was 28.8% and the least squares regression line was yhat=50.57+0.4845x. what is the correlation coefficient, r?
1.0.54
2.-0.54
3.5.37
4.-5.37
5.0.08
6.-0.08
Answers: 3
Physics, 23.06.2019 00:30, tressasill
Arope has one end tied to a vertical support. you hold the other end so that the rope is horizontal. if you move the end of the rope back and forth with a frequency of 4 hz, the transverse wave you produce has a wavelength of 0.5 m. what is the speed of the wave in the rope?
Answers: 1
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