Data Processing — Formula Sheet
Madhya Pradesh Board · Class 12 · Geography
7 formulas from Data Processing (Madhya Pradesh Board Class 12 Geography) on one page, grouped by topic. Covers Statistical Techniques in Data Analysis.
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Formulas and Key Relations
Measures of Central Tendency
Mean (Ungrouped, Direct Method): X̄ = ∑x / N
Mean (Ungrouped, Indirect Method): X̄ = A + ∑d / N
Mean (Grouped, Direct Method): X̄ = ∑fx / N
Median (Ungrouped Data): Value of (N+1)/2 th item
Median and Mode
Ungrouped median: Value of (N+1)/2 th item
Grouped median: M = l + i/f (N/2 - c)
Mode: maximum occurrence or frequency at a particular point or value
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