# Shared Flashcard Set

## Details

S2.2 - Organizing Quantitative Data
Organizing Quantitative Data
14
Mathematics
11/04/2013

Term
 Discrete data are organized
Definition
 As observations called classes
Term
 Continuous data are organized
Definition
 As observations called classes using intervals of numbers
Term
 Histogram
Definition
 Drawing rectangles for each class of data where the height of each rectangle is the frequency or relative frequency of the class
Term
 Lower class value
Definition
 The smallest value within an interval class
Term
 Upper class value
Definition
 The largest value within an interval class
Term
 Class width
Definition
 The difference between consecutive lower class limits
Term
 Open-ended
Definition
 When the first class has no lower class limit or when the last class does not have an upper class limit
Term
 Class width =
Definition
 Largest data value - smallest data value/number of classes
Term
 Stem-and-leaf plot
Definition
 Representing quantitative data graphically using digits to the left of the rightmost digit to form the stem and each rightmost digit as the leaf
Term
 Dot plot
Definition
 A graph drawn by placing each observations horizontally in increasing order and placing a dot above the observation each time it is observed
Term
 Uniform distribution
Definition
 When the frequency of each value of the variable is evenly spread out across the values of the variable
Term
 Bell-shaped distribution
Definition
 When the frequency of each value of the variable are highest in the middle and tail off to the left and right of the middle
Term
 Skewed right
Definition
 When the tail of the frequency of each value of the variable to the right of the peak tails further than the tail to the left of the peak
Term
 Skewed left
Definition
 When the tail of the frequency of each value of the variable to the left of the peak tails further than the tail to the right of the peak
Supporting users have an ad free experience!