Monthly archives: March, 2018

(Easter Vocab. Wk 3)

Term Definition comparison symbols greater than, lesser than, and equal to symbols comparing numbers remainder the number that is left after one whole number is divided into another; what is not divisible equivalent decimals or fractions that name the same number and have the same value consecutive uninterrupted order of numbers convert to change one …

(Easter Vocab Wk 4)

Term Definition rational numbers a number that can be written as a fraction. (ex. .5 = 1/2) consecutive uninterrupted order of numbers. (ex. 1,2,3,4,…) mixed number a number that has a whole number and a fraction (ex. 3 1/2) convert to change one unit to another. (ex. 3/4 – .75) simplify make a number or …

Measures of Relative Standing

Term Definition Z Score (standardized value) the number of standard deviations that a given value 'x' is above or below the mean Ordinary Values -2 < z score < 2 Unusual Values z score < -2 or z score >2 Percentiles measures of location; 99 percentiles which divide a set of data into 100 groups …

Basic Concepts of Probability

Term Definition Descriptive Statistics used to summarize or describe characteristics of data with tools such as frequency distributions, graphs, and measures of center and variation Inferential Statistics used to make inference or generalizations about a population Rare Event Rule for Inferential Statistics If, under a given assumption, the probability of a particular observed event is …