Unbiased

Mark Forums Read

		Physics Forums > Mathematics > General Math
Unbiased

Reply

Unbiased

Thread Tools

Search this Thread

Nov26-09, 05:50 PM	#1
maria69 maria69 is Offline: Posts: 9	Unbiased Hi if someone can please help me to this question???? PLease? Thank you maria

PhysOrg.com
PhysOrg

PhysOrg

mathematics news on PhysOrg.com

>> Researcher to track spread of disease, malware and power outages
>> Spherical cows help to dump metabolism law: 3/4-power law is actually 2/3
>> Nonlinear thinker: Making sense of previously insoluble problems

Nov26-09, 07:50 PM	#2
mathman mathman is Offline: Posts: 2,593 Recognitions: Science Advisor	Re: Unbiased Please define S!!!

Nov30-09, 11:16 AM	#3
maria69 maria69 is Offline: Posts: 9	Re: Unbiased Sorry i forgot to mention what S is. Here: i have done part (i) but i can't do part (ii) Can you please help?? Thank you Maria

Nov30-09, 05:31 PM	#4
mathman mathman is Offline: Posts: 2,593 Recognitions: Science Advisor	Re: Unbiased V(S)=E(S²)-E(S)² E(S²)=σ² V(S) must be > 0, otherwise S would not be random. Therefore E(S) must be < σ.

Reply

Thread Tools
Show Printable Version Email this Page

Similar Threads for: Unbiased
Thread	Thread Starter	Forum	Replies	Last Post
Statistics Unbiased Estimators	braindead101	Calculus & Beyond	3	Jan18-08 02:56 PM
Unbiased expression?	TSN79	Calculus & Beyond	1	Jul26-07 10:56 AM
unbiased estimates	EvLer	Calculus & Beyond	2	Jan20-07 06:30 PM
unbiased estimator	happyg1	Calculus & Beyond	2	Jan31-06 11:42 PM
Unbiased Jury Selection?	TheStatutoryApe	Politics & World Affairs	14	Dec18-05 06:36 PM