Streptococcus Pneumoniae Is _______

question 47

Multiple Choice

Streptococcus pneumoniae is _______.

• A) alpha-hemolytic on blood agar
• B) found in up to 50% of people as normal biota
• C) a gram-positive diplococcus with a capsule
• D) a pathogen with endotoxin
• E) All of the choices are correct.

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Definitions:

Interaction Effect

Occurs when the effect of one independent variable on the dependent variable differs depending on the levels or values of another independent variable.

F-Ratio

The ratio used in analysis of variance (ANOVA) to compare the variance between groups to the variance within groups.

Main Effect

The main effect is the impact of an independent variable on a dependent variable in a statistical model, ignoring other variables' influences.

Factor A

Factor A is often used in experimental design to represent one of the independent variables being tested for its effect on a dependent variable.