#10APP Bio stats PDF

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Applied bio stats assignment...

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Syeda Mehzabin 248 Statistics October 24, 16 2) The standard deviation of the difference of two means in the numerator is the standard error in the bottom independent –measures t statistics. 6)

b) Cohen’s d – M1- M2 /s - 6.8/5.74 = 1.184 c) The results shows that the “smashed into” group is higher than those of “hit” group. t (28) = 3.25, P< .01, d=1.184

We reject the null hypothesis because 3.56 is higher than critical value 2.921 b) Cohen’s d= 3.78/ 2.23 d= 1.695 18) According to the textbook, Homogeneity of variance is an assumption that two populations from which the samples were obtained have equal variances and without it no one will know if the independent variable is significant.

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