subgrouping

  1. S

    Chi-square test followed by testing with subgroups

    Just checking that I'm thinking about this right... I have the number of units sold for 3 years by season: Spring 3000 Summer 3500 Autumn 4000 Winter 5500 If I run a chi-square test of independence with: alpha = 0.05, and expected value for each cell = 4000, I would find the number of units...
  2. B

    Population subgrouping analysis

    Hi all: I have a population consisting of 1000 different individual plant varieties collected from different latitudes (i.e. the geographic coordinates specifying the north-south positions on surface of Earth). We have generated close to 3000 molecular data points for each of the individual...