Graph
Statistics vocabulary
analysis
Data collection
Shapes
100
Which type of graph uses symbols to represent frequencies?
Picture graph
100
What rhymes with tandem and means 'by chance'?
random
100
What do you call the measure of the score which appears the most often?
mode
100
The score '5' has a frequency of 7. How many times does that score appear?
7
100
How many sides has a hexagon?
6
200
Define a graph
A visual display of statistical data
200
what is statistical information called?
data
200
Change one letter in the word 'moan' to form a statistical measure word?
mean
200
How many vowels in 'frequency'?
3
200
which polygon has seven sides?
heptagon
300
What are the bottom horizontal and the left vertical lines on a column graph called
axes
300
What is a statistical column graph called?
histogram
300
The mean of 5 test marks is 60%. What is the sum of the marks of all 5 tests?
300
300
What is the value of 4 vertical strokes crossed by a diagonal in a tally column?
5
300
What is another name for an oval?
ellipse
400
A divided bar graph is drawn to represent 40 people. The bar is 10cm long. What is the scale of the graph?
1cm = 4 people
400
What is the difference between a sample and a census?
census asks whole population, sample just part
400
What is the definition of range?
the difference between the highest and lowest score
400
We say 'collect data', what is another word we could use for 'collect'?
gather, obtain, acquire
400
If you joined a nonagon and a decagon along a common side, how many sides will the combined figure have?
17
500
50 of 150 people said 'yes' to a survey question. What angle at the centre would represent this on a sector graph?
120 degrees
500
Why should a frequency polygon begin and end on horizontal axis?
polygons are closed figures
500
What is the median of 4, 6, 8, 11?
7
500
A survey held in Penrith determined that the most popular club in NSW was Panthers. What is wrong with this conclusion?
The survey contained a biased sample
500
Give an accurate definition of a polygon
any closed figure with straight edges
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