Determine Whether the Given Description Corresponds to an Observational Study

question 1

Multiple Choice

Determine whether the given description corresponds to an observational study or an experiment. A doctor gives a new medication to half of his patients with the flu and a placebo to the other half of his patients with the flu.

• A) Observational study
• B) Experiment

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Definitions:

Null Hypothesis

The null hypothesis is a type of hypothesis used in statistics that proposes there is no statistical significance in a set of given observations, serving as a default position until evidence suggests otherwise.

Hypotheses

Statements or predictions that can be tested through scientific research or statistical analysis to determine their validity.

Fair Die

A perfectly balanced six-sided die where each face has an equal probability of landing up when rolled.

Goodness-Of-Fit

A statistical test used to determine how well sample data fits a distribution from a population with a normal distribution.