assignment 4

assignment 4 - up 12 13 15 10 9 11 down 13 14 12 10 14 16...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
up down F-Test Two-Sample for Variances 12 13 13 14 up 15 12 Mean 11.67 10 10 Variance 4.67 9 14 Observations 6 11 16 df 5 F 1.12 P(F<=f) one-tail 0.45 F Critical one-tail 5.05 p(2-tailed) 0.9 t-Test: Two-Sample Assuming Equal Variances up Mean 11.67 Variance 4.67 Observations 6 Pooled Variance 4.42 Hypothesized Mean Difference 0 df 10 t calc t Stat -1.24 P(T<=t) one-tail 0.12 t Critical one-tail 1.81 P(T<=t) two-tail 0.24 t Critical two-tail 2.23
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
down 13.17 4.17 6 5 down 13.17 4.17 6 therefore, not significantly different
Background image of page 2
up down 30 30 F-Test Two-Sample for Variances 27 32 28 28 31 30 Mean 29 29 Variance 27 32 Observations 25 32 df 30 29 F 31 P(F<=f) one-tail F Critical one-tail 2 1.5 p (2-tailed) 3.98 2.25 t-Test: Two-Sample Assuming Equal Variances Mean Variance Observations Pooled Variance Hypothesized Mean Difference df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
up down 28.38 30.33 3.98 2.25 8 9 7 8 1.77 0.22 3.5 0.44 up down 28.38 30.33 3.98 2.25 8 9 3.06 0 15 -2.3 0.02 1.75 0.04 2.13
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 10

assignment 4 - up 12 13 15 10 9 11 down 13 14 12 10 14 16...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online