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PS295 (13)
Final

# Formulas for Final exam.docx

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School
Wilfrid Laurier University
Department
Psychology
Course
PS295
Professor
Lawrence Murphy
Semester
Winter

Description
Formulas you will be given on the Final exam.  X  X X    Median location = (N+1)/2 N N 2 2 2  X  2 2  X  X  2  X  N 2  X   s  s    N 1 N 1 N 2 2  X  X  X 2  X  X  2 s     s  N      N 1 N 1 N 2 2 2 SS SS   (X X ) SS  s (n 1) s  N 1 x  X  X z  z   s X  X   z     X  X N N X   X   S t   S  df = n - 1 S S X N X N D  0 D  0 SD t   S SD df = n - 1 SD D N N t X 1 X 2 X 1 X 2 S 2 2 S2 S2 X1X2 S1  S2 S  1  2 df = 1 +2n - 2 n n X12 n1 n2 1 2 2 2 X 1 X 2 X 1 X 2 2 (n11)(S1)(n 21)(S 2 t  2 2  Sp df = 1 +2n – 2 Sp Sp 2 1 1  n1n 22  Sp   n1 n2  n1 n2 CI.95X t .05)x CI.99X t .01)x SS within SS withinSS j dfwit
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