A Researcher Determines That the Relative Frequency of Participants with Prescription

question 39

True/False

A researcher determines that the relative frequency of participants with prescription glasses is .23.Hence,the probability that participants will wear prescription glasses must be greater than p = .23.

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Definitions:

Lower Fence

A term used in descriptive statistics and boxplot construction, referring to a value below which lies an outlier in a dataset, typically calculated as Q1 - 1.5*IQR, where Q1 is the first quartile and IQR is the interquartile range.

Box And Whisker Plot

A graphical representation of data that displays the median, quartiles, and extremes, providing a visual summary of the distribution.

Percentiles

Statistical measures indicating the value below which a given percentage of observations in a group of observations falls.

Interquartile Range

Interquartile range is a measure of statistical dispersion and is the difference between the 25th (lower quartile) and 75th (upper quartile) percentile of the data.