Graphs
Which graph shows change over time?
Line Graph
If you add a set of numbers and divide by the number in the set.
Mean
Temperature is an example of what type of data
continuous
This method can be used to collect data
survey
A line graph is used to show
Change over time
which graph shows percentage but does not show actual number amounts?
Circle Graph
The number that appears in a set of numbers the most frequently.
Mode
If a set of data includes 500, 800, 300, 1000, 1100 what should the scale begin at?
Zero
information collected from a survey or experiment
data
You can organize the data from a survey using this type of chart
Tally chart or data table
Which graph shows pictures to represent numbers?
a pictograph
Order a set of numbers and choose the middle number.
The median.
The numbers on the vertical (y-axis) show what?
Scale
Non-numerical data is always...
discrete
A set of data includes 20, 30, 40, 35.25 What is the median?
30
What type of graph has two bars shown for each category on the x-axis?
Double-bar graph
If there is no number that appears more than once in a set, then there is no...
Mode
If a graph is showing a personal opinion, it is representing what?
Bias
The bottom horizontal line on a graph, is referred to as
the x-axis
This symbol on a vertical axis means that not all the numbers between 0 and the start of your scale are shown on the graph
a jagged line
Name the 6 elements of a good line graph
Title, axis labels, categories, scale, data-plotted
If there are two numbers in the middle of an ordered set, how do you get the median?
Add the two middle numbers, then divide by 2.
A car travels 20 km/ hour. How far does it travel in 3 hours?
60km/hour
Define the term "Bias"
Not giving equal chance
A set of data includes 20, 30, 40, 35, 25, what is the mean?
30