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Statistics and Probability (unit 4, 8, 12) Flashcards | StudBud
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Statistics and Probability (unit 4, 8, 12)
Statistics and Probability (unit 4, 8, 12)
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1
What is the probability of choosing a consonant given the bag of letters below?
3/4
6
2
6/7
2
What is misleading about the graph?
Shouldn't compare different years
No one cares about SAT anymore
Scale
Should be a circle graph
3
What is theoretical probability?
what should happen
what won't happen
what will happen
what ?
4
This graph is misleading because:
Data is left out
Vertical axis skips numbers
It's not misleading
No titles or labels
5
What is the probability that you willdraw a 3?
likely
certain
impossible
unlikely
6
What is the probability that the spinner lands on green three times in a row?
3/12 or 25%
1/32 or 3.1%
1/64 or 1.6%
3/16 or 18.8 %
7
What are line graphs useful for?
Compare multiple categories at one point in time
Tracking changes in value over time
To compare parts of a whole
To create an image like etch a sketch
8
What is an advantage to using circle graphs?
Can be used to compare two or more related sets of data
They look pretty
Can be used to see the ratio of each part to the whole group
There are no advantages
9
What is the probability?
6:4
3/5
6:10
6/10
10
There are 9 red, 5 yellow, and 7 green jellybeans in a jar. Solve, without replacement.
63/441 or 14.3%
16/41 or 39%
140/189 or 74.1%
63/420 or 15%
11
What is the probability that you will draw a red card?
3/4
1/2
1/4
4/4
12
Determine which of the following is misleading. (more than one correct answer)
McDonalds doesn't have hotdogs
Title
The Legend
Pictures
13
Is this circle graph misleading?
No because the pieces look to be the right size
Yes because the percentages don't add up to 100
ummm so circles are my mortal enemy...
No because the graph has different colours
14
Which ways can graphs and statistics be misleading?
Size of the bars do not accurately reflect the data
The graph or table is not labeled
Scale does not start at zero
Scale used is unequal
15
Which types of graph is used for continuous data?
line graphs
pie charts
stopwatches
bar graphs
16
Two coins are tossed. What is the probability that both land on 'heads'?
2/2 or 100%
1/2 or 50%
2/10 or 20%
1/4 or 25%
17
Is this a misleading graph?
Yes, the scales are not even
Yes, the graph does not have a title
No, this is the most perfect thing I have ever seen
Yes the axis are not labelled
18
What is the probability of flipping a tails and rolling a 5?
1/4
1/2
1/12
1/6
19
This graph is misleading because:
Vertical axis skips numbers
No titles or labels
Data is left out
It's not misleading
20
Why is this graph misleading?
It's not misleading
Vertical axis skips numbers
The data is distorted
Data is left out
21
Which of the two graphs are misleading?
One on the right
Both
None
One on the Left
22
Of the following, determine what all graphs need
Always Bars
Descriptive Title
Always a Key
Different Images
23
This graph is misleading because
The picture does not look like candy
the scale of the pictures is not proportional
Shayna did not wear a costume when collecting candy
Michael could have bought the candy from a shop
24
What makes this graph misleading?
Empty choice
It mentions that New York Yankees won
There is no scale on the vertical axis
Not enough people with full time jobs
25
Why is this graph misleading?
No X and Y axis labels
Bars are not uniform
Y-axis scale is not even
Data is omitted
26
What is the probability that the spinner will land on BLUE?
2/5
3/5
1/5
10/10
27
A bag has 10 blue marbles, 25 green marbles, and 15 purple marbles.
25/100 or 25%
150/2500 or 6%
150/2450 or 6.1%
100/250 or 40%
28
A jar of candy has 17 cinnamon pieces, 4 caramels, and 29 mints. Solve, without replacement:
116/2450 or 4.7%
33/99 or 33.3%
196/1508 or 13%
116/2500 or 4.6%
29
What is the definition of Independent events?
Each event that is affected by other events
Events that occur once in a blue moon
Each event that is not affected by any of the other events
Empty choice
30
Is this graph misleading?
Yes because the y-axis doesn't start at 0
No because bar graphs are awesome and never wrong
No because the spacing is correct
Yes because the colours of the bars are all the same
