Stats Ch10 Definitions

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Author:
mangoboba
ID:
42779
Filename:
Stats Ch10 Definitions
Updated:
2010-10-17 15:35:36
Tags:
statistics
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Description:
stats ch10
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  1. a research design that uses a separate sample for each treatment condition/each population is called an ________-____________ research design, or a ___________-___________ design.
    • independent-measures
    • between-subjects
  2. Independent-measures t statistic formula differs from single-sample test (Ch9) in that
    the independent-measures t is basically a two-sample t that doubles all the elements of the single-sample t formulas.

    i-m t = sample mean difference - pop mean difference / estimated standard error

    (M1-M2) - (m1 - m2) / s(M1-M2)
  3. Independent-measures t statistic uses a new formula for estimated standard error, which is
    s(M1-M2) = square root of (s21 / n1) + (s22 / n2)
  4. basic information containted in t
    t= data - hypothesis / error

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