Which of the Following Pathogens Is the Most Common Cause

question 1

Multiple Choice

Which of the following pathogens is the most common cause of pulmonary abscesses?

• A) Haemophilus influenzae
• B) Staphylococcus aureus
• C) Streptococcus pneumoniae
• D) Pseudomonas aeruginosa
• E) Escherichia coli

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Definitions:

Sign Test

A nonparametric statistical test used to determine if there are differences between two paired samples.

T-test

A statistical method used to determine if there is a significant difference between the means of two groups, which may be related in certain features.

Nonparametric Technique

Statistical methods that do not assume a particular distribution for the data, often used when data doesn't fit standard distributions.

Population Distributions

The spread of characteristics (e.g., age, income) within a whole population, or the distribution of values of a variable across the entire population.