Compute the chi-square statistic

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Reference no: EM13241244

Use this calculation table for the chi-square test for goodness-of-fit to complete this exercise.

Category

Observed

(O)

Expected

(E)

O-E

(O-E)2

(O-E)2

 E

1

750

625

125

15625

25

2

650

625

25

625

1

3

600

625

25

625

1

4

700

625

75

5625

9

a. Calculate degrees of freedom for this chi-square test for goodness-of-fit.

Dfx2 =K-1 = 2-1 =1

b. Perform all of the calculations to complete this table.

c. Compute the chi-square statistic.

X2 = ∑ [ (O-E)2 ]   = 25+1+1+9 = 36

                E

Reference no: EM13241244

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