Question 1175467
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Hi
   x̄ = 98.27     s = 1.049   n = 9
 95% confidence interval 
 t = 2.31   df8
ME= {{{t[n-1]s/sqrt(n)}}} = 2.31(1.049)/3 = .81
CI =  (97.46 , 99.08)
Wish You the Best in your Studies.
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