F13 lecture 16

Trues macbook air we will do t tests to test these

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Unformatted text preview: gus: 1,2,3, or 4 •  in the 2nd column, enter your ranking of tomatoes: 1,2,3, or 4 men •  on the MacBook •  in the 1st column, enter your ranking of asparagus: 1,2,3, or 4 •  in the 2nd column, enter your ranking of tomatoes: 1,2,3, or 4 analysis •  when we get all the data onto Prof. True’s MacBook Air, we will do t- tests to test these hypotheses four arguments to t- test in excel •  ‘ TTEST (ARRAY1, ARRAY2, # OF TAILS, TYPE) •  TYPE: –  1 = paired (we don’t have paired data here) –  2 = equal variance –  3 = unequal variance (we will choose this) # of tails •  if H1 = group A mean is larger than group B mean OR if H1 = group A mean is smaller than group B mean: 1 tailed 5% 95% of area •  if H1 = group A mean is different (could be larger or smaller, we don’t know) than group B mean: 2 tailed we will choose this 2.5% 95% of area 2.5% paternal half- sib exercise •  everybody roll a die –  highest die rollers will be the sires •  all others are dams –  we wi...
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