Statistics Report - t-Test: Two-Sample Assuming Equal...

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t-Test: Two-Sample Assuming Equal Variances Height Weight Mean 65.55 130.9 Variance 7.9710526316 369.0421053 Observations 20 20 Pooled Variance 188.50657895 Hypothesized Mean Difference 0 df 38 t Stat -15.051588483 P(T<=t) one-tail 6.73381E-018 t Critical one-tail 1.685953066 P(T<=t) two-tail 1.34676E-017 t Critical two-tail 2.0243942345 t-Test: Two-Sample Assuming Equal Variances Weight Shoe Size Mean 130.9 8.15 Variance 369.04210526 2.265789474 Observations 20 20 Pooled Variance 185.65394737 Hypothesized Mean Difference 0 df 38 t Stat 28.488488453 P(T<=t) one-tail 1.50821E-027 t Critical one-tail 1.685953066 P(T<=t) two-tail 3.01642E-027 t Critical two-tail 2.0243942345 t-Test: Two-Sample Assuming Equal Variances Shoe Size Height Mean 8.15 65.55 Variance 2.2657894737 7.971052632 Observations 20 20 Pooled Variance 5.1184210526 Hypothesized Mean Difference 0 df 38 t Stat -80.23131084 P(T<=t) one-tail 2.58005E-044 t Critical one-tail 1.685953066 P(T<=t) two-tail 5.16009E-044 t Critical two-tail 2.0243942345 t-Test: Two-Sample Assuming Equal Variances Floor Number Height Mean 2.5 65.55 Variance 0.2631578947 7.971052632 Observations 20 20 Pooled Variance 4.1171052632 Hypothesized Mean Difference 0 df 38 t Stat -98.262793274 P(T<=t) one-tail 1.20688E-047 t Critical one-tail 1.685953066 P(T<=t) two-tail 2.41375E-047 t Critical two-tail 2.0243942345 t-Test: Two-Sample Assuming Equal Variances Floor Number Weight Mean 2.5 130.9 Variance 0.2631578947 369.0421053 Observations 20 20 Pooled Variance 184.65263158 Hypothesized Mean Difference 0 df 38 t Stat -29.880459589 P(T<=t) one-tail 2.65459E-028 t Critical one-tail 1.685953066 P(T<=t) two-tail 5.30918E-028 t Critical two-tail 2.0243942345 t-Test: Two-Sample Assuming Equal Variances Floor Number Shoe Size Mean 2.5 8.15 Variance 0.2631578947 2.265789474 Observations 20 20 Pooled Variance 1.2644736842 Hypothesized Mean Difference 0 df 38 t Stat -15.888889697 P(T<=t) one-tail 1.13325E-018 t Critical one-tail 1.685953066 P(T<=t) two-tail 2.26651E-018 t Critical two-tail 2.0243942345
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t-Test: Two-Sample Assuming Equal Variances Height Weight Mean 69.325 144.95 Variance 7.7967105263 421.8394737 Observations 20 20 Pooled Variance 214.81809211 Hypothesized Mean Difference 0 df 38 t Stat -16.316611013 P(T<=t) one-tail 4.68379E-019 t Critical one-tail 1.685953066 P(T<=t) two-tail 9.36759E-019 t Critical two-tail 2.0243942345 t-Test: Two-Sample Assuming Equal Variances Weight Shoe Size Mean 144.95 10.975 Variance 421.83947368 2.170394737 Observations 20 20 Pooled Variance 212.00493421 Hypothesized Mean Difference 0 df 38 t Stat 29.097172002 P(T<=t) one-tail 6.99008E-028 t Critical one-tail 1.685953066 P(T<=t) two-tail 1.39802E-027 t Critical two-tail 2.0243942345 t-Test: Two-Sample Assuming Equal Variances Height Shoe Size Mean 69.325 10.975 Variance 7.7967105263 2.170394737 Observations 20 20 Pooled Variance 4.9835526316 Hypothesized Mean Difference 0 df 38 t Stat 82.655419761 P(T<=t) one-tail 8.37749E-045 t Critical one-tail 1.685953066 P(T<=t) two-tail
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This note was uploaded on 10/12/2011 for the course BIOLOGY 100 taught by Professor Smith during the Spring '11 term at South Carolina Upstate.

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Statistics Report - t-Test: Two-Sample Assuming Equal...

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