Question
The following tables displays the weights for computing the principal components and the data for two observations. The mean and standard deviation for x 1
The following tables displays the weights for computing the principal components and the data for two observations. The mean and standard deviation for x1 are 4.2 and 1.4, respectively. What is the z-score of x1 for observation 1?
Weights PC1 PC2
x1 -0.78 0.51
x2 -0.65 0.82
x1 x2
Observation 1 4.45 12.08
Observation 2 1.43 8.62
A 0.17
B 0.18
C 0.73
D 0.21
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College Algebra Graphs and Models
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
5th edition
321845404, 978-0321791009, 321791002, 978-0321783950, 321783956, 978-0321845405
