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Graphs at a Glance: Dot Plots, Histograms, and P ...
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To show how many students scored in each test score range: 60–69, 70–79, 80–89, 90–100, which graph should they use?
 
Histogram
 
Dot plot
 
Picture only
 
Pie graph
A class wants to show how students voted: pizza, tacos, burgers, or salad. Which graph would make sense?
 
Pie graph
 
Dot plot
 
Box plot
 
Histogram
Which graph is best if you want to compare parts of one whole?
 
Pie graph
 
Line plot only
 
Histogram
 
Dot plot
Which graph is best if you want to see data grouped into ranges?
 
Histogram
 
Clock
 
Dot plot
 
Pie graph
Which graph is best if you want to see exact scores?
 
Dot plot
 
Map
 
Pie graph
 
Histogram
Which graph would be best to show favorite school lunch choices as parts of the whole class?
 
Pie graph
 
Coordinate plane
 
Number line
 
Dot plot
If 50% of a pie graph is shaded, that means…
 
Half of the data
 
One tiny part
 
All of the data
 
None of the data
A pie graph must add up to…
 
100%
 
1%
 
50%
 
10%
If a slice of a pie graph is the biggest, what does that mean?
 
It represents the largest part
 
It represents zero
 
It is always 50%
 
It is the least important
What does a pie graph show?
 
Parts of a whole
 
Dots on a number line
 
A list of numbers only
 
Bars that touch
What is one thing a histogram does NOT show clearly?
 
Exact individual values
 
Which bin has the most
 
The shape of the data
 
Groups of data
If you want to know how many students scored 70 or higher, what should you do?
 
Add the bars for 70 and above
 
Count the title
 
Only look at the first bar
 
Divide by 2
A histogram has the tallest bar at 80–89. What does that mean?
 
Most data values are in the 80–89 range
 
Every value is exactly 80
 
80–89 is the lowest range
 
There are no values in that range
Why do histogram bars touch?
 
Because the data is grouped into number ranges
 
Because the graph is broken
 
Because the bars are decoration
 
Because it is a dot plot
What does a histogram show?
 
Data in groups or intervals
 
Individual dots
 
Parts of a whole
 
Names of people
If most dots are close together, the data is probably…
 
Clustered
 
Missing
 
Impossible
 
A pie graph
Why is a dot plot helpful?
 
It shows exact data values
 
It hides the data
 
It only shows percentages
 
It is only used for words
A dot plot has dots at 2, 3, 3, 4, 9. What do you notice?
 
9 may be an outlier
 
The data has no numbers
 
2 is the largest number
 
All numbers are the same
If one number has the tallest stack of dots, what does that usually show?
 
The mode
 
The range
 
The median
 
The title
What does each dot usually represent on a dot plot?
 
One data point
 
One question
 
One percent
 
One bar
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