\"\"

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The land area square miles and the number of people per square mile in 2000 into labeled columns and rows.

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The matrix is \"\".

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The matrix has 4 rows and 2 columns.

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There fore, it is a \"\" matrix.

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New York has the most people per square mile, 401.9 and North Carolina has the least people per square mile, 165.2.\"\"

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The matrix is \"\" and its dimension \"\" and New York has the most people per square mile, 401.9 and North Carolina has the least people per square mile, 165.2.