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Jliti10snpitv in ~buration - Institute for Social and Economic Change

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Tab 1 e b. 7 : One-way AnalysIs of Variance of Achle~ement<br />

Scores <strong>in</strong> Environmental SCience Across<br />

Different<br />

Categories<br />

Educational Quality Process<br />

--------------------------------------------------------<br />

Source df Sum of<br />

squares<br />

Mean<br />

squares<br />

F<br />

ratiO<br />

F<br />

prob.<br />

----------------------------------------------------<br />

Between<br />

groups<br />

2<br />

4569.46 22848.23 101 .79 .0000<br />

With<strong>in</strong><br />

groups<br />

Total<br />

51<br />

53<br />

11447.40 224.459<br />

57143.87<br />

From Table 6.7 It IS clear that the obta<strong>in</strong>ed F<br />

value of 101.79 IS greater than the theoretical value of<br />

3.18 <strong>and</strong> IS Significant at 0.05 level. Hence the<br />

hypotheSIS IS reJected. Thus it can be Inferred that<br />

the difference In the mean of the achievement scores<br />

In<br />

EnVironmental SCience IS Significantly different<br />

across<br />

the three categories of educational process.<br />

To<br />

f<strong>in</strong>d out which of the three pairs of means<br />

are Significantly different, t-tests were carrIed out<br />

<strong>for</strong> the achievement scores In EnVironmental SCIence<br />

scores between the follOW<strong>in</strong>g groups.<br />

Better <strong>and</strong> average educational quality process.<br />

Better <strong>and</strong> poor<br />

educational quality process.<br />

Average <strong>and</strong> poor educational quality process.<br />

299

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