Unit sales for new product ABC have varied in the first seven months of this year as follows:
Month | Jan | Feb | Mar | Apr | May | Jun | Jul |
---|---|---|---|---|---|---|---|
Unit Sales | 314 | 285 | 158 | 482 | 284 | 310 | 281 |
What is the interquartile range (IQR) of the data?
Please specify your answer as an integer.
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