While Out in the Wild, a Group of Vacationers Pick

question 50

Multiple Choice

While out in the wild, a group of vacationers pick some mushrooms. Later in the day, they use them in cooking the evening meal. Several members of the group begin to experience strange sensations and even hallucinations. The drug in the mushrooms was most likely

• A) PCP.
• B) marijuana.
• C) psilocybin.
• D) exogenous opiates.

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Definitions:

Permutation Test

A non-parametric statistical test that assesses the significance of a difference between groups by computing all possible outcomes under rearrangements of labels.

P-value

The probability of obtaining test results at least as extreme as the results observed, under the assumption that the null hypothesis is true.

Test Statistic

A calculated value used in statistical hypothesis testing to determine whether to reject the null hypothesis.

Bootstrap Distributions

Bootstrap distributions are theoretical distributions created by resampling with replacement from an observed dataset, used to estimate the sampling distribution.