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1. Using the data below and a calculator or Excel, determine the 95% confidence interval. 10.832 9.214 11.320 10.668 10.389 fTable 4-4 Critical values of

1. Using the data below and a calculator or Excel, determine the 95% confidence interval.

10.832

9.214

11.320

10.668

10.389

image text in transcribedimage text in transcribed
\fTable 4-4 Critical values of F = s'/s' at 95% confidence level Degrees of Degrees of freedom for s, freedom for $2 2 5 6 7 CO 9 10 12 15 20 30 19.0 19.2 19.2 19.3 19.3 19.4 19.4 19.4 19.4 19.4 19.4 19.4 19.5 19.5 9.55 9.28 9.12 9.01 8.94 8.89 8.84 8.81 8.79 8.74 8.70 8.66 8.62 8.53 6.94 6.59 6.39 6.26 6.16 6.09 6.04 6.00 5.96 5.91 5.86 5.80 5.75 5.63 5.79 5.41 5.19 5.05 4.95 4.88 4.82 4.77 4.74 4.68 4.62 4.56 4.50 4.36 5.14 4.76 4.53 4.39 4.28 4.21 4.15 4.10 4.06 4.00 3.94 3.87 3.81 3.67 4.74 4.35 4.12 3.97 3.87 3.79 3.73 3.68 3.64 3.58 3.51 3.44 3.38 3.23 4.46 4.07 3.84 3.69 3.58 3.50 3.44 3.39 3.35 3.28 3.22 3.15 3.08 2.93 4.26 3.86 3.63 3.48 3.37 3.29 3.23 3.18 3.14 3.07 3.01 2.94 2.86 2.71 4.10 3.71 3.48 3.33 3.22 3.14 3.07 3.02 2.98 2.91 2.84 2.77 2.70 2.54 11 3.98 3.59 3.36 3.20 3.10 3.01 2.95 2.90 2.85 2.79 2.72 2.65 2.57 2.40 12 3.88 3.49 3.26 3.11 3.00 2.91 2.85 2.80 2.75 2.69 2.62 2.54 2.47 2.30 13 3.81 3.41 3.18 3.02 2.92 2.83 2.77 2.71 2.67 2.60 2.53 2.46 2.38 2.21 14 3.74 3.34 3.11 2.96 2.85 2.76 2.70 2.65 2.60 2.53 2.46 2.39 2.31 2.13 15 3.68 3.29 3.06 2.90 2.79 2.71 2.64 2.59 2.54 2.48 2.40 2.33 2.25 2.07 16 3.63 3.24 3.01 2.85 2.74 2.66 2.59 2.54 2.49 2.42 2.35 2.28 2.19 2.01 17 3.59 3.20 2.96 2.81 2.70 2.61 2.55 2.49 2.45 2.38 2.31 2.23 2.15 1.96 18 3.56 3.16 2.93 2.77 2.66 2.58 2.51 2.46 2.41 2.34 2.27 2.19 2.11 1.92 19 3.52 3.13 2.90 2.74 2.63 2.54 2.48 2.42 2.38 2.31 2.23 2.16 2.07 1.88 20 3.49 3.10 2.87 2.71 2.60 2.51 2.45 2.39 2.35 2.28 2.20 2.12 2.04 1.84 30 3.32 2.92 2.69 2.53 2.42 2.33 2.27 2.21 2.16 2.09 2.01 1.93 1.84 1.62 3.00 2.60 2.37 2.21 2.10 2.01 1.94 1.88 1.83 1.75 1.67 1.57 1.46 1.00

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