Homework Answers
Solution-
a) Level of significance is 0.05 and degrees of freedom is n-1 = 17
ta = 2.11 ----(rounded to 2 decimals)
2.1098
b) level of significance is 0.10 and
degress of freedom is 27
ta = 1.70 --(rounded)
1.7033
c) level of significance is 0.20 and
degrees of freedom is 80 -1 = 79
ta = 1.29 -----(rounded)
1.2924
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