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TABLE AND TALLY CHARTS
Table and Tally Charts
Table and Tally Charts
A tally chart is a quick and simple way to record data. It entails filling out a chart with vertical dashes for each time a piece of data is observed. Tally charts are handy because recording data with a dash is quicker than constantly writing out words or figures.
Mean
A mean is the average of a data set, found by adding all numbers together and then dividing the sum of the numbers by the number of numbers.
Median
The median is defined as the middle value of a sorted list of numbers. The middle number is found by ordering the numbers.
Range
The difference between the highest values and lowest values in a given set of numbers.
Mode
The mode is the most common number that appears in a set of data.
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