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Meters 1-5 Meters 6-10 Meters 11-15 Meters 16-20 Meters 21-25 Meters 26-30 870 915 915 930 900 915 840 900 900 915 900 885 930

Meters 1-5 Meters 6-10 Meters 11-15 Meters 16-20 Meters 21-25 Meters 26-30
870 915 915 930 900 915
840 900 900 915 900 885
930 945 975 870 915 945
900 885 945 930 900 900
960 930 885 915 930 915
  1. Using = .05, is the sample mean significantly different from the expected population ?
  2. Can we fully reject Ho? ____________________________________________________________________
  3. What proportion of variability in meter times was accounted for by being in the sample rather than the expected population (i.e., calculate 2= t2 / (t2 + df))? _________________________________________
  4. Using t(df) = ##.##, p < or > .05, = .##, ______________________________
  5. Interpret the meaning of the results: What do they tell us about whether,and if so how, the mean sample time differs from the expected population mean time? _________________________________________ _______________________________________________________________________________________
  6. If the data had been ordinal or you had a very small sample size, what backup test could be used instead? ________________________________________________________________________

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