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t-tests output

In chapter 3, you computed a t-test of length by adult. Now, you will save the output from this t-test as abttest and extract and display various elements stored in the output object.

The abaloneKeep dataset has been loaded for you.

Cet exercice fait partie du cours

<cours>R For SAS Users</cours>
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Instructions de l’exercice

  • Perform a t-test of length by adult using t.test() and save the output as abttest.
  • Display statistic, parameter and conf.int elements from abttest t-test output.

Exercice interactif pratique

Essayez cet exercice en complétant ce code d’exemple.

# Perform pooled t-test of length by adult, save as abttest
abttest <- t.test(___ ~ ___, data = ___, 
                  ___)

# Display statistic, parameter and conf.int from abttest
___
___
___
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