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Chi-Square Test By Sanket Daptardar

Chi-Square Test ,[object Object],[object Object]

Goodness of Fit ,[object Object],[object Object],[object Object]

Formula ,[object Object],[object Object],[object Object],[object Object]

Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Chi-Square Distribution ,[object Object],[object Object],[object Object]

Chi-Square Distribution, p. 2 ,[object Object],[object Object],[object Object]

The Critical Question ,[object Object],[object Object],[object Object],[object Object]

Reasonable ,[object Object],[object Object],[object Object],[object Object],[object Object]

Degrees of Freedom ,[object Object],[object Object],[object Object]

Critical Chi-Square ,[object Object],[object Object],[object Object]

Using the Table ,[object Object],[object Object],[object Object]

Another Example: from Mendel 556 1 556 total 34.75 1/16 32 wrinkled green 104.25 3/16 108 wrinkled yellow 104.25 3/16 101 round green 312.75 9/16 315 round yellow expected number expected proportion observed phenotype

Finding the Expected Numbers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Calculating the Chi-Square Value ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

D.F. and Critical Value ,[object Object],[object Object],[object Object],[object Object]

Mendel’s Yellow vs. Green Results

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