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Definitions
Graphs
True or False
Mean or Mode
Random
100
The number that occurs the most often in a set of data.
What is the mode?
100
Uses pictures or symbols to display data.
What is a pictograph?
100
A sample group is a small number of a larger group.
What is true?
100
Find the mean of these numbers: 5,5,5,10,10,15,20
What is 10?
100
Tells what the graph is about.
What is the title?
200
The average number found by adding up all the numbers and dividing by the number of numbers.
What is the mean?
200
Displays data using bars or equal width on a grid.
What is a bar graph?
200

A bar graph displays only one set of data.

What is true?

200
Find the mode of these numbers: 5,5,5,10,10,15,20
What is 5?
200

Explains the x and y axes data.

What are the x and y labels or titles?

300

Gathering a sample from a population where is member has an equal chance of being selected

What is the random sample?

300

Displays two sets of data on the same graph data using 2 bars next to each other.

What is a double bar graph?

300

A line graph uses pictures to represent numerical data.

What is false?

300
Find the mean of these numbers: 75,70,36,51,18
What is 50?
300

Data collected by someone else

What is secondary data?

400

Measures of data values that are expressed as numbers.

What are quantitative data?

400

A graph showing the tens digit in one columns and the ones digit in another column.

What is a stem and leaf plot?

400

A perfect graph should receive 4 titles or labels.

What is false? It has 3 titles.

400
Find the mode of these numbers: 75,70,36,51,18
What is ---there is none??!!
400

Ordering the data from least to greatest and finding the middle number.

What is median?

500

A graph that is not fair, it favours one thing and is misleading.

What is bias?

500

A graph that displays a series of columns or bars that are set on top of each other.

What is a stacked bar graph?

500

Scales should always be very large. Smalls scales are misleading

What is false? It must be what is suitable for the data.

500
Find the mean of these numbers: 8,4,8,2,4,8,7,8
What is 6 remainder 1 (6) ?
500

The numbers on the y-axis of the graph.

What is the scale?