Examlex
A decision all researchers must make is exactly what defines an appropriate sample size in a quantitative study.
Measure of Variability
A measure of variability quantifies the spread of data points in a dataset, indicating how much the data values differ from each other.
Bell Shaped Distribution
A type of distribution in which the frequency of data values is highest in the middle, resembling the shape of a bell.
Mean, Median, Mode
Statistical measures of central tendency; mean is the average of a set of numbers, median is the middle value when numbers are arranged in order, and mode is the most frequently occurring value in a data set.
Positively Skewed
A distribution of data where most of the values gather on the left side, with the tail extending to the right, indicating that the mean is greater than the median.
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