« previous next »

Author Question: The first thing the clustering routine does is a. rotate the data orthogonally c. calculate the ... (Read 32 times)

scienceeasy

  • Hero Member
  • *****
  • Posts: 565
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

  • Sr. Member
  • ****
  • Posts: 331
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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Critical thinking involves analysis in which the nurse examines patient data available from a variet Critical thinking involves analysis in which the nurse examines patient data available from a variet
Summary of US Census Data Summary of US Census Data
Routine Urinalysis Categories Routine Urinalysis Categories
Demographic Data for India Demographic Data for India
Survivorship curves. Blue lines are theoretical curves. Red dots are data from field studies. Survivorship curves. Blue lines are theoretical curves. Red dots are data from field studies.
Gray Morris's Calculate with Confidence, Canadian Edition, 2nd Edition Gray Morris's Calculate with Confidence, Canadian Edition, 2nd Edition
Video: The Nerve Impulse

For a complete list of videos, visit our video library