Web Chi Square Calculator: Results

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           Untitled

      Column 1 Column 2 Total
 Row 1       0        2     2
 Row 2       2        0     2
 Total       2        2     4

>>Degrees of freedom (df) = (rows - 1) x (columns - 1)
>>      df = (2-1) x (2-1) = 1

>>Calculating expected frequencies for each cell ...

>>Processing row 1, column 1 ...
>>      Observed value (O) = 0
>>      Expected value (E) = (row total x column total) / grand total
>>              E = (2 x 2) / 4 = 1
>>              Chi-square = (O - E)squared / E
>>              Chi-square = ((0 - 1) **2) / 1
>>              Chi-square = 1
>>Total chi-square now = 1

>>Processing row 1, column 2 ...
>>      Observed value (O) = 2
>>      Expected value (E) = (row total x column total) / grand total
>>              E = (2 x 2) / 4 = 1
>>              Chi-square = (O - E)squared / E
>>              Chi-square = ((2 - 1) **2) / 1
>>              Chi-square = 1
>>Total chi-square now = 2

>>Processing row 2, column 1 ...
>>      Observed value (O) = 2
>>      Expected value (E) = (row total x column total) / grand total
>>              E = (2 x 2) / 4 = 1
>>              Chi-square = (O - E)squared / E
>>              Chi-square = ((2 - 1) **2) / 1
>>              Chi-square = 1
>>Total chi-square now = 3

>>Processing row 2, column 2 ...
>>      Observed value (O) = 0
>>      Expected value (E) = (row total x column total) / grand total
>>              E = (2 x 2) / 4 = 1
>>              Chi-square = (O - E)squared / E
>>              Chi-square = ((0 - 1) **2) / 1
>>              Chi-square = 1
>>Total chi-square now = 4

>>Calculating probability (P) ...
>>Looking up critical values for chi at df = 1:
>>      Sig levels:     0.20 0.10 0.05 0.025 0.01 0.001
>>      Crit vals:      1.64 2.71 3.84 5.02 6.64 10.83
>>Sig. 0.20: chi is greater than or equal to 1.64
>>Sig. 0.10: chi is greater than or equal to 2.71
>>Sig. 0.05: chi is greater than or equal to 3.84

Degrees of freedom: 1
Chi-square = 4
p is less than or equal to 0.05.
The distribution is significant.
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