Homework Answers
Solution:
We have
Standard error = Sqrt[(S12 / n1)+(S22 / n2)]
S1 = 5
S2 = 6
n1 = 25
n2 = 29
Standard error = Sqrt[(5^2 / 25)+(6^2 / 29)]
Standard error = Sqrt[(25 / 25)+(36 / 29)]
Standard error = Sqrt(1 + 1.2414)
Standard error = Sqrt(2.2414)
Standard error = 1.4971
Standard error = 1.5
Answer: C. 1.5
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