Formula1

# Formula1 - 1 1 6 12 2 1 − − = T T A T B b − = 2 1 1 T...

This preview shows pages 1–2. Sign up to view the full content.

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.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

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 it’s a graphical summary of ratio data of a group of people attending a workshop since it’s 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...
View Full Document

{[ snackBarMessage ]}

### Page1 / 2

Formula1 - 1 1 6 12 2 1 − − = T T A T B b − = 2 1 1 T...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online