1. Ho: = 85 Ha: 85 The sample mean is 83, the sample size is 39, and the standard deviation is 5. Use a= 0.05.

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Q: k ak ak a-1,a +1 (-1)* 1/½(-1)*+1 kak 4), a +1 a- (ak + b)(n) (ak+b)(n+1) a(n+1)

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