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## Week 4 Participation Post 7 (variant)

by: smartwriter Notetaker

11

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# Week 4 Participation Post 7 (variant)

Marketplace > Week 4 Participation Post 7 variant
smartwriter Notetaker
CSU - Dominguez hills
GPA 3.0

No professor available

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Week 4 Participation Post 7 (variant)
COURSE
PROF.
No professor available
TYPE
Study Guide
PAGES
0
WORDS
KARMA
50 ?

## Popular in Department

This 0 page Study Guide was uploaded by smartwriter Notetaker on Monday November 16, 2015. The Study Guide belongs to a course at a university taught by a professor in Fall. Since its upload, it has received 11 views.

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Date Created: 11/16/15
Good post Correlation analysis measures the strength of association or relationship between two numerical variables The coef cient of correlation p rho measures this strength by a numerical value that has limits between positive and negative 1 If p 1 the two variables are perfectly positively correlated if p 1 the two variables are perfectly negatively correlated If p 0 there is no relationship or a very weak relationship between the two variables For example if you were looking to diversify your investment portfolio you should include assets that are negatively correlated so as to offset potential losses What is the purpose of the Spearman rank order correlation Describe the way in which ranks are assigned in calculating the Spearman rank correlation Ranks are assigned from the highest to lowest x and y values For example the rank number 1 xordinate would be the xordinate with the highest value and the lowest rank would be the xordinate with the lowest value For example X RANK 1 gt UJ N l I I 03 N l I UJ gt U39l This same concept applies with the yvalues as well same way Then the coef cient is calculated using the formula r16summationdquot2nquot3n

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