Examlex
A regional survey was carried out to gauge public opinion on the controversial Arizona Immigration Law.The results are displayed in the segmented bar chart below.Which of the
Following statements is true?
Mean
The arithmetic average of a set of values, calculated by summing all the values and then dividing by the number of values.
Variance
A measure of the dispersion or spread of a set of data points around their mean value.
Variance
A measure of how much the values in a data set differ from the mean of that set.
Data
Pieces of factual information collected together for analysis or used to reason and make decisions.
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