A fashion designer surveys companies about upcoming seasonal trends for average hem length. He surveys 4 major companies, comparing the average hem length of their proposed designs. From each company, he takes a random sample of 5 employees. The data are significant at

step-by-step explanation:

is their an equation anywhere i can take a   look at it and see if i am right.

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

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