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In Chi-Square, the formula fordegrees of freedom(df) = k-1. Where k is the number of classes/categories.
(30% of 400 - 20% of 540 + 35% of 1000) = ?
7, 8, 12, 21, 37, ?
(3333 ÷30) + (785 ÷25) + (2981 ÷11) = ?
√121 + √961− √289 =?2
78.89 × 81.03 – (16.83)² + 8.33% of 9602.87 = ? – 50.23
√10000 x √8100 - (50)² = √(?) + (80)²
36% of 75 + 46% of 50 = ?% of 200
(33 + 6.25% of 4096) = ? + 2 × 119
60% of 500 + (729) 1/3 - ? = 72
