x² = Cell Count Row Column ||||||| 1 1 2 2 3 3 all cells (85-247)2 247 1 + 2 1 2 1 2 Expected Cell Count (100)(247) 300 (100)(53) 300 (100)(247) 300 (100)(53) 300 (100)(247) 300 (100)(53) 300 - + 247 3 53 3 Now, we must substitute the values of observed count and expected count into the formula for test statistic. (Round the final answer to two decimals places if necessary. (observed count - expected count)² expected count (15-3)² (62-247)² 247 33 247 3 53 3 247 3 53 3 Now, determine the degrees of freedom, df. df (number of rows - 1)(number of columns - 1) -1)(2-1) -² (100-247² (0 – 33) ² 247 +

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