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15 cards from this deck
Mean, median, and mode
∑(f×x)∑f\frac{\sum (f \times x)}{\sum f}∑f∑(f×x)
x=Lower Bound+Upper Bound2x = \frac{\text{Lower Bound} + \text{Upper Bound}}{2}x=2Lower Bound+Upper Bound
Frequency of each class
Value below which 505050% of data lies
L+(N2−CFfm)×cL + \left(\frac{\frac{N}{2} - CF}{f_m}\right) \times cL+(fm2N−CF)×c
Lower boundary of median class
Where cumulative frequency reaches/exceeds N2\frac{N}{2}2N
Value or class with highest frequency
L+(fm−f1(fm−f1)+(fm−f2))×cL + \left(\frac{f_m - f_{1}}{(f_m - f_{1}) + (f_m - f_{2})}\right) \times cL+((fm−f1)+(fm−f2)fm−f1)×c
Class with the highest frequency
Frequency of modal/median class
Total frequency (∑f\sum f∑f)
Cumulative frequency before median class
Class width
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