Post on 28-Jan-2021
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warm up: page 13 in packet
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how many times an event occurs
an overview of how often events occur
proportion of times a value occurs
divide the frequency by the total number of data points
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graphical display of data using bars
grouping of values of data
width of each bar
maximum/minimum value the class may contain
midpoint of each class
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graphical depiction of numerical data
quantity lying at the midpoint of all data
smallest value largest value
25th percentile 75th percentile
the spread between q3 and q1
a point that differs significantly from other data
1.5 iqr rule
high limit of outlier = q3 + 1.5 iqr
Low limit of outlier = q1 - 1.5 iqr
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average of data data at midpoint
most common total distance from max to min
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the amount a single data point differs the mean
measure of how spread out the numbers are
the average of the squared differences from the mean
the number of data points
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