Definitions
Graphs
Quick Math
Formulas
Perfect Graphs
100
A sampling of information.
What is a survey?
100
The total is 115 students.
What is the number of students surveyed?
100
The frequency of the following tally:
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What is 11?
100
A number divided by the total times 100.
What is the formula for percents?
100
Tells us what the graph is about.
What is the title?
200
Information collected directly.
What is primary data?
200
Displays data using bars or equal width on a grid.
What is a bar graph?
200
0.9 x 360 degrees = ?
What is 324 degrees?
200
The percentage decimal times 360 degrees.
What is the formula for creating a circle graph?
200
Explains the data on the x and y axis.
What are the labels?
300
The counting of an entire population.
What is a census?
300
Displays data using a circle divided into sections.
What is a circle or pie graph?
300
18/60 x 100 = ? %
What is 30%?
300
Sample size percentage times the population.
What is the formula for predicting the outcome from a sample?
300
Proper tool used to help create circle graphs.
What is a protractor?
400
The total number of individuals or items.
What is the population?
400
A graph showing data points joined by line segments.
What is a line graph?
400
Tanya surveyed 60 of the 510 students in her school to find out how many students walked to school. She found that 12 students in her sample walked to school.
Predict for the total number of students who walk to school.
What is 102 students?
400
Adding up every category.
What is the total?
400
The numbers on the y-axis of the graph.
What is the scale?
500
Refers to the tendency to over (or under) estimate the value of a characteristic of a population.
What is bias?
500
The total number of ads is 200. Find the number of ads for toys.
What is 70 ads?
500
The percentage of numbers that are even in this line:
2 2 2 4 5 7 10 9 7 5
What is 50%?
500
The best way to get full marks.
What is showing your work?
500
The tool used to create a straight edge on any and all graphs.
What is a ruler?