Quantcast statistic help?? - XP Math - Forums
XP Math Home Sign Up FREE! | Sign In | Classroom Setup | Common Core Alignment PDF Version

Go Back   XP Math - Forums > Welcome > Off-Topic Discussion

Thread Tools Display Modes
Old 08-04-2007   #1
Posts: n/a
Default statistic help??

highlighterville takes big pride in it's power conservation approach. the city wants to know how much power it has saved. a sample of 50 homes reveals an avg of 46.8 kilowatt hr/wk, with std deviation of 53.put 90% AND 98 %confidence limit around avg saving, could this sample have been drawn from popul with a mean of 35?thanks to everyone in adavance for trying...

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

All times are GMT -4. The time now is 02:11 AM.

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, vBulletin Solutions Inc.
XP Math