examples of frequency data
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Example 1
Tally marks are often used to make a frequency distribution table. For example, let’s say you survey a number of households and find out how many pets they own. The results are 3, 0, 1, 4, 4, 1, 2, 0, 2, 2, 0, 2, 0, 1, 3, 1, 2, 1, 1, 3. Looking at that string of numbers boggles the eye; a frequency distribution table will make the data easier to understand.
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To make the frequency distribution table, first write the categories in one column (number of pets):
(FIRST PICTURE WILL COME HERE)
Next, tally the numbers in each category (from the results above). For example, the number zero appears four times in the list, so put four tally marks “||||”:
(SECOND WILL COME HERE )
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