Find the Percentiles for the Following: the Mean Score on a Test

question 78

Short Answer

Find the percentiles for the following: the mean score on a test of psychopathy among a group of incarcerated inmates is 50, with a standard deviation of 10. Assume a normal distribution, and find the Percentile for the following psychopathy scores:
-55

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Definitions:

Cases

Instances or occurrences of a particular disease or condition being studied.

Measured Variables

Variables in an experiment or observational study that are quantified or recorded by the researcher.

Units

Basic quantities or components that serve as a standard of measurement in scientific observations or calculations.

Boxplots

A standardized way of displaying the distribution of data based on a five-number summary: minimum, first quartile, median, third quartile, and maximum.