A Marine Boot Camp Instructor Recorded the Time in Which

question 146

True/False

A Marine boot camp instructor recorded the time in which each of 15 recruits completed an obstacle course both before and after basic training.To test whether any improvement occurred,the instructor would use a t-distribution with 15 degrees of freedom.

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Definitions:

Probability

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Random Phenomenon

An event or a process that cannot be predicted with certainty due to the random nature of its outcomes.

Independent

Pertaining to variables or events that are not influenced by other variables in the context of statistical analysis.

Dependent

Refers to a variable in a psychological experiment that is expected to change as a result of manipulations in the independent variable.