Tutorial 7, STAT1301 Fall 2010, 09NOV2010, By Joseph Dong MIXED MOMENTS CORRELATION & INDEPENDENCE, INDEPENDENT SUM.

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Presentation transcript:

Tutorial 7, STAT1301 Fall 2010, 09NOV2010, By Joseph Dong MIXED MOMENTS CORRELATION & INDEPENDENCE, INDEPENDENT SUM

2

3

Standardization in Statistics 4

Correlation as standardized Covariance 5

Exploring Correlation demonstration.wolfram.com Download Mathematica™ player if you don’t have one. Search “correlation” And explore… 6

Covariance/Correlation calculation Exercises 7

Independent sum 8

9 Independent sum: finding its distribution

10 Exercises: Handout Problems 4,5,6