There are 13 plates and 9 cups on a shelf in a cabinet. what is the ratio of the number of plates to the number of cups

Step-by-step explanation:

So the ratio of the number of plates to the number of cups.

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an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.