This** preview**
has intentionally

**sections.**

*blurred***to view the full version.**

*Sign up*
This** preview**
has intentionally

**sections.**

*blurred***to view the full version.**

*Sign up*
**Unformatted text preview: **P(T<=t) one-tail 0.002 t Critical one-tail 3.143 P(T<=t) two-tail 0.0033 t Critical two-tail 3.71 PG.) 513 #18 a. No There is not enough evidence t-Test: Paired Two Sample for Means Reported height Measured height Mean 65.6 66.6 Variance 27.9 24.7 Observations 12 12 Pearson Correlation 0.76 Hypothesized Mean Difference df 11 t Stat-0.98 P(T<=t) one-tail 0.12 t Critical one-tail 1.8 P(T<=t) two-tail 0.35 t Critical two-tail 2.201 b. t-Test: Two-Sample Assuming Unequal Variances Reported height Measured height Mean 65.6 66.58 Variance 27.9 24.7 Observations 12 12 Hypothesized Mean Difference df 22 t Stat-0.48 P(T<=t) one-tail 0.32 t Critical one-tail 1.72 P(T<=t) two-tail 0.64 t Critical two-tail 2.074 PG.) 521 #6 F-Test Two-Sample for Variances pre post Mean 12.7 13.2 Variance 375.12 427.4 Observations 3 3 df 2 2 F 0.9 P(F<=f) one-tail 0.5 F Critical one-tail 0.05...

View
Full Document

- Spring '12
- Statistics, Variance, Pg., Student's t-test, Critical one-tail