home > q&a board > statistics and probability > topic: help me 2 please

Q BgQuestion:

Scholar
Karma Points: 200
Respect (90%):
posted by  hondagirl97couve on 5/28/2008 11:23:04 PM  |  status: Live  

help me 2 please

Course Textbook Chapter Problem
N/A N/A N/A N/A
Question Details:
 

Health Insurance administrative cost:

The following data are based on information from domestic affairs. Let x be the average number of employees on a group health insurance plan and let y be the average administrative cost as a percentage of claims.

X:     3     7      15     35    75

y:     40   35    30     25    18

(A) Make a scatter diagram and draw the line you think best fits the data.
Bonus Point Alert! Earn +4 additional karma points for helping this annual member.

AAnswers:

Answer Question
Sage
Karma Points: 4,722
posted by Chaosriders on 5/28/2008 11:54:26 PM  |  status: Live
Asker's Rating: Lifesaver   
hondagirl97couve's comment:
"very nice thanks"
Response Details:
"to be smart, one has to realize oneself as not smart"    by Chaosriders

I have return!!!!!!!!!!!!!
Oracle
Karma Points: 15,201
posted by Bpanda on 5/28/2008 11:56:00 PM  |  status: Live
Asker's Rating: Helpful   
hondagirl97couve's comment:
"Thanks"
Response Details:
You Don't Mess with the Panda
Scholar
Karma Points: 200
posted by hondagirl97couve on 5/28/2008 11:56:13 PM  |  status: Live
Asker's Rating: N/A-Posted by Person Asking Question   
Response Details:
thanks very nice graph can you also help me with this????
 
Its part B.)
 
 

(B) Would you say the correlation is low moderate or high positive or negative.
Sage
Karma Points: 4,722
posted by Chaosriders on 5/28/2008 11:59:02 PM  |  status: Live
Asker's Rating: Helpful   
hondagirl97couve's comment:
"sweet thanks "
Response Details:
I would say it's somewhat negatively strong
"to be smart, one has to realize oneself as not smart"    by Chaosriders

I have return!!!!!!!!!!!!!
Scholar
Karma Points: 200
posted by hondagirl97couve on 5/29/2008 12:01:30 AM  |  status: Live
Asker's Rating: N/A-Posted by Person Asking Question   
Response Details:
will some one help me with part c too... Thanks a ton to every one!
 
you guys and gals are the best!!
 
 
C.)
(C) Use a calculator to verify that ?× = 135, ?×2 = 7133, ?y2 = 4674, and ?×y = 3040. Compute r. As × increases, dose the value of r imply that y should tend to increase or decrease? Explain
Sage
Karma Points: 4,722
posted by Chaosriders on 5/29/2008 1:22:12 AM  |  status: Live
Asker's Rating: Helpful   
hondagirl97couve's comment:
"Thnaks."
Response Details:

in case you don't see the answer it should be r = -0.9453
"to be smart, one has to realize oneself as not smart"    by Chaosriders

I have return!!!!!!!!!!!!!
Scholar
Karma Points: 200
posted by hondagirl97couve on 5/29/2008 1:29:20 AM  |  status: Live