UASTAT141Ch22Example

UASTAT141Ch22Example - critical value z 1.645 1.96 1.96...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Parameter p1 (R2) p2 (T1) p1 - p2 Sample size X1 36 X2 41 77 X1 + X2 # of successes n1 98 n2 87 185 n1 + n2 Estimate 0.3673 0.4713 -0.1039 0.4162 Est. pooled sample prop'n 0.0024 0.0029 0.0052 0.0053 Standard error 0.0487 0.0535 0.0724 0.0726 Confidence level 90% 95% 95% -1.43 Test statistic
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: critical value z 1.645 1.96 1.96 P-value Margin of error ME 0.0801 0.1049 0.1418 0.1527 HA: p1 - p2 ≠ Lower bound 0.2872 0.3664-0.2457 0.9236 HA: p1 - p2 > 0 Upper bound 0.4475 0.5762 0.0379 0.0764 HA: p1 - p2 < 0...
View Full Document

This note was uploaded on 07/31/2011 for the course STAT 141 taught by Professor Paulcartledge during the Winter '10 term at University of Alberta.

Ask a homework question - tutors are online