Question: The variance is ___ (Round to three decimal places asneeded. The total number of hours, in units of 100 hours, 1 that a family runs

The variance is ___ (Round to three decimal places asneeded.

The variance is ___ (Round to three decimal places asneeded. The total

The total number of hours, in units of 100 hours, 1 that a family runs a vacuum cleaner over a period of [] (x 7), 7

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