chi sq hmwk # 3 answer

chi sq hmwk # 3 answer - a .1 % chance or less that the...

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

View Full Document Right Arrow Icon
3) deaths lived total people Vioxx 34 1,035 1,069 Placebo 12 1,066 1,078 10.94 total people 46 2,101 2,147 X 2 = The frequency of deaths in the Vioxx group is 34/1069= 3.2% and in the placebo group 12/1078= 1.1% Overall, 3.2% of individuals on Vioxx died whereas 1.1% of individuals on the placebo died. The difference in the frequencies of deaths is signifigant (P<5%) and in this case (P<<.oo1). There is
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: a .1 % chance or less that the differences in the frequencies is the result of sampling alone. We therefore can reject the null hypothesis here and can conclude that individuals on the Placebo have a lower portion of deaths then individuals on the Vioxx....
View Full Document

This note was uploaded on 02/12/2010 for the course BIOL 202-004 taught by Professor Dr.johnson during the Fall '09 term at Butler CCC.

Ask a homework question - tutors are online