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Linear Regression By Anthony Barretta

Published on Nov 19, 2015

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PRESENTATION OUTLINE

1.

"WARNER MUSIC GROUP SHARE DATA INCREASE"

BY ANTHONY BARRETTA
Photo by Christopher Lane Photography
2.

INCREASES OVER THE YEARS...

  • 2008 = 7.9%
  • 2009 = 11.3%
  • 2010 = 13.4%
  • 2011 = 19.13%
  • 2012 = 19.15%
Photo by @giovanni
3.

PLUG THE DATA IN...

YEARS ON THE X (L1), PERCENTS ON THE Y (L2)
4.

SET THE WINDOW PREFERENCES...

MAKE SURE YOUR PREFERENCES MATCH YOUR STATISTICS
5.

HERE IS YOUR GRAPH

ALL FIVE POINTS SHOULD BE VISIBLE
6.

TREND LINE (Positive Strong)

BECAUSE 3/5 POINTS LAY ON THE LINE BEST FIT
7.

LINEAR REGRESSION...

  • Y= a(x)+b
  • a= 3.033
  • b= -6082.154
Photo by kevin dooley
8.

PREDICTION FOR 2015

  • Plug in 2015 for (x)
  • (Y) represents the percent increase
  • Y= 3.033(2015)--6082.154
  • Y= 29.341
  • Warner Music Group 2015 percent increase = 29.341%
Photo by tempusfugate

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