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DataProject 4

# DataProject 4 - Katy Shepard Joe Bus216 Data Project#4 f(t...

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Katy Shepard Joe Bus216 t-distribution df = 34 P(lower) P(upper) t .9826 .0174 2.20 2 1 0 -1 -2 -3 t f(t) 2.20

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Katy Shepard Joe Bus216 A) Hypothesis Test: Mean vs. Hypothesized Value 1,200.00 hypothesized value 35.00 mean N=number 110.80 std. dev. 3.15 std. error 1241 n 1240 df F) -370.40 t t=2.199 p=.0174* on proj. 1.0000 p-value (one-tailed, upper) 29.82 confidence interval 90.% lower 40.18 confidence interval 90.% upper 5.18 margin of error C) Hypothesis Test: Mean vs. Hypothesized Value 1,200.00 hypothesized value 100.00 mean N=number 1,241.20 std. dev. 117.81 std. error 111 n 110 df F) -9.34 t t=3.718 p=1.662 1.0000 p-value (one-tailed, upper) -95.43 confidence interval 90.% lower 295.43 confidence interval 90.% upper 195.43 margin of error
Katy Shepard Joe Bus216 E) Hypothesis Test: Mean vs. Hypothesized Value 1,200.00 hypothesized value 35.00 mean N=number 102.80 std. dev. 2.63 std. error 1525 n 1524 df F) -442.56 t t=18.680 p=9.386 1.0000 p-value (one-tailed, upper) 30.67 confidence interval 90.% lower 39.33 confidence interval 90.% upper 4.33 margin of error Hypothesis Test: Mean vs. Hypothesized Value (G/A) 1,200.00 hypothesized value 35.00 mean N=number 110.80 std. dev.

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