Equations Flashcards
Arithmetic Mean;
1) Grouped
2) Ungrouped
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Weighted mean
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Harmonic mean
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Geometric mean
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Trimmed mean
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Median;
1) ungrouped
2) grouped
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Mode;
1) grouped
2) ungrouped
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Quartiles
1) grouped
2) ungrouped
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Deciles;
1) grouped
2) ungrouped
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Percentiles;
1) grouped
2) ungrouped
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Range
max - min
IQR
Q3 - Q1
Deviation from the mean.
Sum of DFM.
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Sum = 0
Variance;
1) grouped
2) ungrouped
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Standard Deviation
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Empirical Rule
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Chebyshev’s Rule
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Skewness
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Kurtosis
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Karl Pearson’s coefficient if skewness
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Bowley’s Coefficient of skewness
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Kelly’s Coefficient of Skewness
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Box plot values needed;
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Frequencies;
1) Frequency distribution
2) Relative frequency distribution
3) Cumulative frequancy
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X & Y axis of;
1) Bar chart
2) Histogram
3) Frequency polygon
4) Ogive
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Correlation coefficient/ Pearson’s correlation coefficient
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Covariance
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Spearman’s correlation coefficient
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Simple linear regression
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Simple aggregative price index
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Simple average of price relative index
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Laspyre’s Price index
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Paache’s price index
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Dorbish-Bowley price index
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Fischer’s price index
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