Formula1 - ) 1 ( ) 1 ( 6 12 2 1 + = T T A T B b + = 2 1 1 T...

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1. Formula: To find the percentile rank of a score, x , out of a set of n scores, where x is included: Where B = number of scores below x E = number of scores equal to x n = number of scores z = (x - μ) / σ Y t = b o -b 1 y t = TR t ∙ C t ∙ I t TR(t) = 19.363+5.037(t) bar chart A statistical graph consisting of noncontiguous boxes useful for summarizing nominal or ordinal data. frequency polygon A graphical representation of a frequency distribution consisting of dots at the top center of each histogram box along with connecting lines. histogram A graphical representation of a frequency distribution consisting of contiguous boxes. It can be constructed using class frequencies (a frequency histogram) or relative class frequencies (a relative frequency histogram). pie chart A statistical graph useful for presenting a percentage breakdown of a particular quantity.
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Unformatted text preview: ) 1 ( ) 1 ( 6 12 2 1 + = T T A T B b + = 2 1 1 T b T A b Bar chart to summarize the nationality Histogram to summarize the typing speed of a sample of 100 textbook editors since its a graphical summary of ratio data of a group of people attending a workshop since its a summary of nominal data. The % of homeowners having hail ins in a sample of neighborhoods ex of continuous data with a ratio level of measurement The # of claims files during the past year for a sample of employees would be an ex of discrete data with a ratio measurement. A Person Weight Would be an ex of ordinal data (FALASE) Coefficient of variation=standard deviation/mean * 100...
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Formula1 - ) 1 ( ) 1 ( 6 12 2 1 + = T T A T B b + = 2 1 1 T...

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