Examlex
In a study described in the text,Baldwin and his colleagues found that graduate students rated their own work more negatively if they were first exposed to a picture of the scowling face of the program director than if they were first exposed to a picture of a smiling colleague.According to the researchers,this occurred because
Quartiles
Divisions of a data set that mark three points to divide the data into four equal parts, each representing a quarter of the dataset.
Histogram
A graphical representation of data using bars of different heights to show the frequency of data in different intervals.
Interquartile Range
The difference between the 75th and 25th percentiles of a data set, representing the spread of the middle 50% of values.
25th Percentile
The value below which 25% of the observations in a group of data fall, commonly referred to as the first quartile.
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