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You wish to test the following claim (H1) at a significance level of α=0.02.       Ho:μ=72.6...

You wish to test the following claim (H1) at a significance level of α=0.02.

      Ho:μ=72.6
      H1:μ≠72.6

You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=38 with a mean of x¯=67.3 and a standard deviation of s=18.3.

What is the critical value for this test? (Report answer accurate to three decimal places.)
critical value =

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