30 terms

# Data About Us

#### Terms in this set (...)

line plot
a way to organize data along a line where the x's above a number represent how often each value occurs
data
a collection of facts from which conclusions may be drawn
measures of center
mean, median, and mode
bar graph
a graphical representation of a table of data in which the height or length of each bar indicates its frequency
numerical data
data that are numbers
categorical data
data that are words
stacked bar graph
when two or more bar graphs are related to the same situation you stack them on top of each other
bi-modal
a data set that has two modes
graph
a visual display of information or data such as line graphs, bar graphs, and circle graphs
distribution
(statistics) an arrangement of values of a variable showing their frequency of occurrence
percent
a number that represents how many out of a hundred
outlier
a value far away from most of the rest in a set of data
x-axis
the horizontal axis of a graph
y-axis
the vertical axis of a graph
average
(mean) theh total of all values, divided by, the number of values
survey
a way of collecting data by asking people questions
mode
The data item that appears the most number of times
median
The middle number or the average of the two middle numbers in an ordered set of data (remember to list the data in order)
mean
average number of a given set of results
table
a set of data arranged in rows and columns
compare
to examine two or more things to show likeliness
coordinate graph
a grid of vertical and horizontal lines that show the relationship between two variables
prediction
a good guess based on the facts you know
coordinate
An ordered pair of numbers that locate a point on a grid.
scale
the size of the units on an axis of a graph or number line
decimal
a number that uses place value and a decimal point to show values less than one, such as tenths, hundreths,etc.
range
from the lowest score to the highest score in a graph
double bar graph
a bar graph that displays two different shaded bars to compare the two sets of data
stem-and-leaf plot
a quick way to picture the shape of a distribution of the data, while including the actual numerical values in the graph
back-to-back-stem plot
same as stem-and-leaf plot, but uses two sets of data