m1soln - Midterm Solution 3 a) (10 points) X= 1 10 ∑ X i...

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Unformatted text preview: Midterm Solution 3 a) (10 points) X= 1 10 ∑ X i = 215.6 10 i =1 b)10 points 1 n = (1 + 10) = 5.5 2 212 + 223 = 217.5 median = 2 c) 10 points The same, 217.5 d) 10 points se = or sd = 1 n 1n ∑ ( X i − X )2 = 33.56 n − 1 i =1 ∑(X i =1 n i − μ ) 2 = 31.83 The calculator usually gives you 33.56. e) 10 points Yi = 1 Xi 60 1 μ X = 3.59(min) 60 1 σ Y = σ X = 0.53 60 μY = ...
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