Examlex
What differences are found in average IQ between ethnic groups in North America? Explain two ways that intelligence tests might be biased.
Negatively Skewed
A characteristic of a distribution where the tail on the left side of the distribution is longer or fatter than the right side, indicating that the bulk of the values lie to the right side.
Median
The middle value in a sorted list of numbers, dividing the data into two halves.
Mode
The value that appears most frequently in a dataset.
Sample Mean
The average value of a sample set of numbers, calculated by adding all the observations and dividing by the number of observations.
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