Examlex
Identify the drug whose regular use in the treatment of asthma may worsen control or even increase the risk of death by asthma.
Expected Frequencies
The counts or proportions one would expect in categories of a contingency table if there were no association between the variables.
Chi-square
A statistical test used to determine if there is a significant difference between observed frequencies and expected frequencies in one or more categories.
Normal Curve
A bell-shaped curve that represents a distribution of values, means, or variables symmetrically clustered around the mean.
Observation
The action or process of closely monitoring or noting phenomena as they occur in a systematic manner for data collection.
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