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Author Question: The first thing the clustering routine does is a. rotate the data orthogonally c. calculate the ... (Read 41 times)

scienceeasy

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on: Jun 29, 2018
The first thing the clustering routine does is
 a. rotate the data orthogonally c. calculate the cluster loadings
  b. calculate the communalities d. standardize the raw data

Question 2

Explain what a Z-test for comparing two proportions is and the appropriate hypothesis.


atrochim

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Reply #1 on: Jun 29, 2018
Answer to Question 1

D
The first thing the clustering routine does is take the raw data and standardize it.

Answer to Question 2

A Z-test for differences of proportions is a technique used to test the hypothesis that proportions are significantly different for two independent samples or groups. The test is appropriate for a hypothesis of this form: 1 = 2, which may be restated as 1 - 2 = 0.


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