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  3. a survey of daily travel time had these results (i

A survey of daily travel time had these results (in minutes): 26, 33, 65, 28, 34, 55,...

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Basic Math

A survey of daily travel time had these results (inminutes):

26, 33, 65, 28, 34, 55, 25, 44, 50, 36, 26, 37, 43, 62, 35, 38,45, 32, 28, 34

The Mean is 38.8 minutes, and the Standard Deviation is 11.4minutes

  • Identify the data values that represent the middle 68% of thenormal curve
  • Identify the data values that represent the middle 95% of thenormal curve
  • Identify the data values that represent the middle 99.7% of thenormal curve

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