Common Statistical Tools used in Quantitative Research PDF

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Summary

File consist of the several statistical tools that can be used in a quantitative research. There are the purpose and how to use it....

Description

Commons t a t i s t i c a l t ool sus e di nqua nt i t a t i v er e s e a r c h St a t i s t i c a l t ool On es a mp l eT t e s t

De s c r i p t i on I naOn eSa mp l etT e s t ,t h et e s tv a r i a b l e ' sme a ni sc o mp a r e d a g a i n s t a" t e s t v a l u e " , wh i c hi sak n o wno rh y p o t h e s i z e dv a l u eo f  t h eme a ni nt h ep o p u l a t i o n .

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F o re x a mp l e : Ap a r t i c u l a r f a c t o r y ' sma c h i n e sa r es u p p o s e dt ofi l l b o t t l e swi t h1 5 0mi l l i l i t e r so fp r o d u c t .Ap l a n tma n a g e rwa n t st o t e s t ar a n d o ms a mp l eo f b o t t l e st oe n s u r et h a tt h ema c h i n e sa r e n o t u n d e r o ro v e r fi l l i n gt h eb o t t l e s .

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Us e f ul l i nk s h t t p s : / / www. s p s s t u t o r i a l s . c o m/ s p s s o n e s a mp l e t t e s t / h t t p s : / / y o u t u . b e / 2 z Ve V1 o h GCU

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Th eI n d e p e n d e n tSa mp l e st T e s tc o mp a r e st h eme a n so ft wo  i n d e p e n d e n tg r o u p si no r d e rt od e t e r mi n ewh e t h e rt h e r ei s s t a t i s t i c a le v i d e n c et h a tt h ea s s o c i a t e dp o p u l a t i o nme a n sa r e  s i g n i fi c a n t l yd i ff e r e n t . 

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F o re x a mp l e -c o mp a r i n gt h ec h o l e s t e r o ll e v e lo ft wog r o u p s . On eg r o u pu n d e r we n tr i g o r o u se x e r c i s e wh i l et h es e c o n d g r o u pwa ss u b j e c t e dt oac o n t r o l l e dd i e t .T od e t e r mi n ewh i c h t r e a t me n tp r o g r a m wa smo r ee ff e c t i v e ,t h eme a nc h o l e s t e r o l c o n c e n t r a t i o n swe r ec o mp a r e db e t we e nt h et wog r o u p sa tt h e e n do f t h et r e a t me n t p r o g r a ms .

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Th e Pa i r e d Sa mp l e st T e s tc o mp a r e st h e me a n so ft wo  me a s u r e me n t st a k e nf r o mt h es a mei n d i v i d u a l , o b j e c t ,o rr e l a t e d u n i t s .

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Th e s e" p a i r e d "me a s u r e me n t sc a nr e p r e s e n t t h i n g sl i k e :  Ame a s u r e me n tt a k e na tt wod i ff e r e n tt i me s( e . g . ,p r e t e s t a n dp o s t t e s ts c o r e wi t ha ni n t e r v e n t i o na d mi n i s t e r e d b e t we e nt h et wot i mep o i n t s )  Ame a s u r e me n tt a k e nu n d e rt wod i ff e r e n tc o n d i t i o n s( e . g . , c o mp l e t i n gat e s tu n d e ra " c o n t r o l "c o n d i t i o na n da n " e x p e r i me n t a l "c o n d i t i o n )  Me a s u r e me n t st a k e nf r o mt woh a l v e so rs i d e so fas u b j e c t o re x p e r i me n t a lu n i t( e . g . ,me a s u r i n gh e a r i n gl o s si na

h t t p s : / / www. s p s s t u t o r i a l s . c o m/ s p s s i n d e p e n d e n t s a mp l e s t t e s t / h t t p s : / / y o u t u . b e / VUUf BWl z i I U h t t p s : / / y o u t u . b e / o I p z d T c 0 r e I

h t t p s : / / www. s p s s t u t o r i a l s . c o m/ s p s s p a i r e d s a mp l e s t t e s t / h t t p s : / / y o u t u . b e / Qt Tl s Y_ b 3 k

s u b j e c t ' sl e f t a n dr i g h t e a r s ) . On e wa yANOVA

T wo wa yANOV A

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On e Wa yANOVA( a n a l y s i so fv a r i a n c e )c o mp a r e st h eme a n so f t woo rmo r ei n d e p e n d e n tg r o u p st od e t e r mi n ewh e t h e rt h e r ei s s t a t i s t i c a le v i d e n c et h a tt h ea s s o c i a t e dp o p u l a t i o nme a n sa r e s i g n i fi c a n t l yd i ff e r e n t .

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Th eOn e Wa yANOVAi sc o mmo n l yu s e dt ot e s tt h ed i ff e r e n c e s me a n so f t woo rmo r eg r o u p se gh e i g h t o f p l a n t su s i n g3d i ff e r e n t f e r t i l i z e r s . Ane x t e n s i o no fOn ewa yANOVAwh e r es c o r e sa r ec o mp a r e d h t t p s : / / www. s p s s t u t o r i a l s . c o m/ s p s s t wo wa y a n o v a b a s i c s u s i n g2o r mo r ei n d e p e n d e n t v a r i a b l e s . t u t o r i a l /  h t t p s : / / y o u t u . b e / K8 F4 3 9 r Wj T g He i g h to fp l a n tu s i n g3d i ff e r e n tf e r t i l i z e r sa n d3d i ff e r e n ts i l o t y p e s .F r o mt h i s ,t wo wa yANOVAc a nd e t e r mi n ewh i c hh e i g h t wa ss i g n i fi c a n t l yh i g h e ro rl o we rb a s e do nt h ec o mb i n a t i o no f f e r t i l i z e ra n ds o i l t y p e Pe a r s o n Co r r e l a t i o ne v a l u a t e s wh e t h e rt h e r ei ss t a t i s t i c a l h t t p s : / / l i b g u i d e s . l i b r a r y . k e n t . e d u / SPSS/ Pe a r s o n Co r r e v i d e n c ef o ral i n e a rr e l a t i o n s h i pa mo n gt h es a mep a i r so f h t t p s : / / y o u t u . b e / p j M3 Ct v As T A v a r i a b l e si nt h ep o p u l a t i o n ,r e p r e s e n t e db yap o p u l a t i o n c o r r e l a t i o nc o e ffic i e n t . F o re x a mp l e -Pe a r s o nc o r r e l a t i o ni su s e dt od e t e r mi n et h e c o r r e l a t i o nb e t we e nc h o l e s t e r o ll e v e la n dd i e to re x a ma n x i e t y l e v e l wi t ht h er e ma i n i n gt i meb e f o r ee x a m.

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Pe a r s o nc o r r e l a t i o n

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Us e f u l l i n k sf o r : 1 . r e l i a b i l i t yu s i n gCr o n b a c ha l p h a -h t t p s : / / www. y o u t u b e . c o m/ wa t c h ? v = q c J NXg 6 Ho s E 2 . c h i s q u a r e( t e s t o f a s s o c i a t i o n ) -h t t p s : / / y o u t u . b e / wf I f EWMJ Y3 s 3 . i n s t a l l i n gSPSS-h t t p s : / / www. y o u t u b e . c o m/ wa t c h ? v = g 9 z Q3 O1 o 5 Mg

h t t p s : / / www. s p s s t u t o r i a l s . c o m/ s p s s o n e wa y a n o v a / h t t p s : / / www. y o u t u b e . c o m/ wa t c h ? v = 8 UNL g D7 FCc...