Hypothesis Testing

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BIO360 assignment 1

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  • .. you might want to test that
  • I heard that this chocolate increases your IQ
  • The subjects are eating the chocolate.
  • My alternative hypothesis is that this chocolate increases IQ. The null hypothesis is that this chocolate will not increase IQ.
  • The subjects are taking an IQ test.
  • I performed my experiment and the resulting p-value was 0.045 and the significance level was 0.05. That means the results were statistically significant, so chocolate does increase IQ.
  • Wait, your p-value is very close to alpha and the effect size is less than 0.20 which means it is irrelevant. You might have made a type I error.
  • It seems like the chocolate lowered your IQ... you should test for that.
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