anonymous
  • anonymous
Given that the mean change in hours of tv watched by the class = -2.8 and standard deviation = 1.8 a) what percentage of the class changed less tv watching than you if you changed 4 hours? b) What percentage changed more than you if you changed 1 hour? c)What percentage of the class changed between -4 and 4 hours? d) what percentage of the class changed between 1 and 2 hours? e)if you are at the 60th percentile, how many hours change did you have? f) The middle 12% of the class changed how many hours? g) the extreme 5% of the class changed how may hours?
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schrodinger
  • schrodinger
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