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arithmetic mean
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Arithmetic Mean
Average of a set of n numbers, obtained by adding the numbers and dividing by n. For example, the arithmetic mean of the set of 5 numbers 1, 3, 6, 8, and 12 is (1 + 3 + 6 + 8 + 12) ÷ 5 = 30 ÷ 5 = 6.
The term average is often used to refer only to the arithmetic mean, even though the mean is in fact only one form of average (the others include median and mode). In addition it is useful to know the range or spread of the data.
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arithmetic mean
average
bar chart
box plot
class interval
contingency table
continuous data
correlation
cumulative frequency
discrete data
frequency (statistics)
frequency diagram
graph
grouped data
histogram
interquartile range
line of best fit
median
mode (mathematics)
percentile
pictogram
pie chart
quartile
range (statistics)
raw data
scatter diagram
statistics
stem and leaf diagram
tree diagram
average
bar chart
box plot
class interval
contingency table
continuous data
correlation
cumulative frequency
discrete data
frequency (statistics)
frequency diagram
graph
grouped data
histogram
interquartile range
line of best fit
median
mode (mathematics)
percentile
pictogram
pie chart
quartile
range (statistics)
raw data
scatter diagram
statistics
stem and leaf diagram
tree diagram
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