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40

Anova

Compares the relationships between many factors

Provides more informed results

considers the interactions between factors

eg

typists type faster on Qwerty, than on alphabetic and Dvorak

there is no difference in typing speeds for non-typists across all keyboards

Qwerty

Alphabetic

Dvorak

S1-S10

S11-S20

S21-S30

S31-S40

S41-S50

S51-S60

non-typist

typist

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