1. illustrate random sampling & 1. identi"# di$erent t#pes o" random probabilit# 2. distinguish between parame sampling% s#stemati! sampling and nonrandom ter and statisti!. probabilit# sampling.
A! !he e"d o7 !he le''o", !he lear"er 4'! :e a:le !o0 1. dene the sampling distribution o" the sample mean "or normal population when the 'arian!e is( )a* +nown )b* un+nown
M<-SP*IIId*?
M<-SP*IIId*
M<-SP*IIIc*>*c
Sampling and Sampling -istributions
Sampling and Sampling -istributions
Sampling and Sampling -istributions
Sampling and Sampling -istributions
-
1. Elementary Statistics (8th Ed.) pp. 9-33 2. Introductory Statistics (7th Ed.) pp. 301
1. Elementary Statistics (8th Ed.) pp. 9-33 2. Introductory Statistics (7th Ed.) pp. 301
1. Elementary Statistics (8th Ed.) pp. 30-311 2. Introductory Statistics pp. 2!9-2""
Con!epts( 1.* 3opulation 6 this re&ers to the totality o& oBects indiiduals reactions or oserations hain a uniCue comination o& Cualities. 2.* Sample this is the representatie part4portion o& the population. 7.* 3arameter the alue otained &rom the population. 8.* Statisti!s the alue otained &rom the sample. 9.* 0andomi:ation the oBects in the roup has an eCual chance to e selected or chosen.
3roperties )!ontinue the !on!ept abo'e* 0e!itation(
Con!epts( 1.* 0andom Sampling type o& samplin in #hich the indiiduals #ill hae an eCual proaility o& ein selected. a.) /ottery =ethod (raDe) .) ossin a coin c.) ollin a die d.) Alind&olded =ethod e.) ale o& andom +umers - :+ in the calculator 2.* S#stemati! Sampling F type o& samplin in #hich the choosin o& rst no. is y random &ollo#ed y the succeedin nos. a.) Stratied Samplin .) ,luster Samplin c.) =ulti-stae Samplin 7.* ,onrandom Sampling a.) *urposie Samplin .) Guota Samplin c.) ,onenience Samplin Con!epts( )!ontinue the !on!ept abo'e* 3roblems(