Examlex
How can data be distorted by charts and graphs?
Average hourly income
The mean amount of money earned by an individual or group per hour of work.
Standard deviation
A measure of the dispersion or variability of a set of numerical data, indicating how much the individual data points deviate from the mean (average) of the data set.
Degrees of freedom
The count of independent variables or measurements that can change in an examination while still adhering to all limitations.
Confidence interval
A ladder of figures, gathered from statistical study of a sample, with a probability of including the undetected value of a population parameter.
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