Brandt Abbott STATS1 BEHS

Graphs

100

a statistical chart consisting of data points plotted on a fairly simple scale, typically using filled in circles

Dot plot

200

1. 
   

   a diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width.

   
   

Bar Graph

300

a type of graph in which a circle is divided into sectors that each represent a proportion of the whole.

Pie Chart

400

A way/graph to split quantitative data into leaves and stems

Stemplot

500

1. 
   

   a diagram consisting of rectangles whose area is proportional to the frequency of a variable and whose width is equal to the class interval.

   
   

Histogram

Five Number Summary

100

The smallest data point

Minimum

200

The value under which 25% of data points are found when they are arranged in increasing order.

Q1 of the First Quartile

300

denoting or relating to a value or quantity lying at the midpoint of a frequency distribution of observed values or quantities, such that there is an equal probability of falling above or below it.

Median

400

the value under which 75% of data points are found when arranged in increasing order.

Q3 or Third Quartile

500

The largest data point

Maximum

Intro

100

variable that can take on one of a limited, and usually fixed, number of possible values are what type of data?

Categorical

200

When the data has an infinite number of numerical possibilities it is

Quantitative

300

a quantity which during a calculation is assumed to vary or be capable of varying in value.

A Variable

400

What the data is describing/what is being surveyed

Individuals

500

Describes what values the variable takes and how often it takes them

Distribution

SOCS

100

Skewed or symmetrical refers to 

Shape

200

Q1- (IQR1.5) AND Q3+ (IQR1.5) find the 

Outliers

300

Median or Mean are the 

Center

400

Range of the data

Spread

500

Q3-Q1 is the 

IQR or Interquartile Range

Words to Know

100

The distribution of values of a variable among all individuals described in a table

Marginal Distribution

200

Describes two categorical variables

Two-way table

300

When each % is rounded to the nearest 1/10 this can lead to 

Roundoff errors

400

The value of a variable that among individuals has a specific value of another variable 

Conditional Distribution

500

Specific Values of one variable tend to occur in common with specific values of another variable

Association