Chi-square (Continuous Distribution)

Class observed expected

interval freq. Oi freq. Ei

[0, 1.590) 19 6.25 26.01

[1.590, 3.425) 10 6.25 2.25

[3.425, 5.595) 3 6.25 0.81

[5.595, 8.252) 6 6.25 0.01

[8.252, 11.677) 1 6.25 4.41

[11.677, 16.503) 1 6.25 4.41

[16.503, 24.755) 4 6.25 0.81

[24.755, ) 6 6.25 0.01

n=50 n*p

Degree of freedom:

CAUTION:The chi-square test requires

that the data be placed in class

intervals (grouping is arbitrary in

continuous distributional assumption).

Thus a hypothesis may be accepted

when the data are grouped one way,

but rejected when grouped in another

way.

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