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DATA PROCESSINGand STATISTICAL

TREATMENT

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TREATMENT

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Forms Of DataProcessing

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Exampe!

• “How efective is the teaching o ProessorSnape in Mathematics to ElectricalEngineering students?

  x x

  20 x ! "0 #! x$   %0 x % ! &0

#!2'0$(00

  0 x 2 ! "0 #! 2)' or%

  (0 x ( ! (0 *muchefective+

 ,otal- (00 2'0

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DATA PROCESSING

• .onverting inormation eithermanuall/ or / machine into1uantitative and 1ualitative orms)

Categorization

Coding

Tabulation ofData

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#ni$ariate Matrix

• 3nvolves onl/ one variale)

Scale :

9- Like extremely 6- Like sligtly

!- Like "ery muc #- $eiter like nor dislike%- Like moderately &- Dislike sligty

%&ait'Attri(&tes

Mi)*s+ L&nc+eon Meat

Mean Descripti$eInterpretation

Color %'%# Like "ey muc

(dor !')# Like "ey muc

*la"or !'+, Like "ey muc

Texture !',, Like "ey muc

eneral .cce/tability !'0, Like "ey muc

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,i$ariate Matrix• 3nvolves two variales)

SC.L1 :

#- 2ery "ery serious /roblem +- Serious /roblem )- not a /roblem at all

&3 2ery serious /roblem 0- less serious /roblem

 -O,.RELATEDPRO,LEM

S

STAFF N#RSESPRI/ATE 0OSPITALS GO/ERNMENT

0OSPITALS

Mean Interpretation Mean Interpretation

( 2)( Less serious /roblem 2) less serious /roblem

2 %)2 Serious /roblem %)% Serious /roblem

% %)0 Serious /roblem ) 2ery serious /roblem

%) Serious /roblem %)& 2ery serious /roblem4 )2 2ery serious /roblem 2)0 less serious /roblem

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M&ti$ariate Matrix• Has three or more variales in the

tale)

Scale:

9- Like extremely 6- Like sligtly!- Like "ery muc #- $eiter like nor dislike

%&ait'Attri(&tes

L&nc+eon Meat

Mil56sh7falMean

oat6sh7falMean

Siganid7falMean

Sardines7falMean

.olor 8)8 8)& 8)4 8)(

7dor ")0 ")0 8)% 8)2

9lavor ") ")2 8)& 8)'

 ,exture ")( ")0 8)" 8)8

eneral:cceptailit/ ")% ")0 8)8 8)4

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D#MM1 TA,LES

• ;sed in planning< summari=ing<

organi=ing and anal/=ing the data onhow the diferent variales difer witheach other)

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 -o(Performance

0ospitas

Pri$ate Go$ernment Tota

Fre2&enc'

Percent Fre2&enc'

Percent Fre2&enc'

Percent

O&tstanding

/er'Satisfactor'

#nsatisfactor'

Tota (84 (00 (24 (00 %00 (00

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STATISTICAL TREATMENT

• ;sing :rithmetic mean in scaling)

> ver/ much efective

  % > much efective  2 > efective

  ( > not efective at all

INCORRECT STATISTICAL

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INCORRECT STATISTICALTOOL

• Percentage in scale options * % 2 (+is incorrect or inappropriatestatistical tool to scale options)

  8)4 @ ver/ much efective  4)0 @ much efective

  28)4 @ efective

  20)0 @ not efective at all