Sample Mean for Grouped Data This approximation differs by 241 from the actual

Sample mean for grouped data this approximation

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Sample Mean for Grouped Data This approximation differs by 2.41 from the actual sample mean of 490.80. 34,525 493.21 70 x Rent (€) f i 420-439 8 440-459 17 460-479 12 480-499 8 500-519 7 520-539 4 540-559 2 560-579 4 580-599 2 600-619 6 Total 70 M i 429.5 449.5 469.5 489.5 509.5 529.5 549.5 569.5 589.5 609.5 f i M i 3436.0 7641.5 5634.0 3916.0 3566.5 2118.0 1099.0 2278.0 1179.0 3657.0 34525.0
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Variance for Grouped Data s f M x n i i 2 2 1 ( ) For sample data
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