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The response of 1090 great tits (Parus major
) to a stuffed (Accipiter nisus
) near their nest were observed. 320 out of 450 male tits responded agressivly, from female tits 420 exhibit aggressive behaviour.
- How significant (numerically) is this difference for conclusion that male and female tits in general reveal different agressiveness to a stuffed (Accipiter nisus) .
- Is this evidence enough for science ?
- How to obtain more reliable observation results?
You shold make a 2 x 2 condingency table before using chi squared test because the ferquency of negative answers is directly not mentioned in the exercise text. Chi squared test
in the SDC.