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Year 8 Revision Flashcards | StudBud
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Year 8 Revision
Year 8 Revision
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StudBud Administration
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Probability and Statistics
Flashcards
30 cards
F
Practice quiz
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Host live
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Questions
30
Answers
1
What is the mean?
5
5.5
7
3
2
How many people came from Tasmania?
2
5
3
80
3
In 2017 more people were killed from injuries caused by...
selfies
puppies
sharks
tornadoes
4
Identify the outlier.
26
3
5
7
5
What is pteronophobia the fear of?
Pterodactyls
Being tickled by feathers
Being struck by lightning
Ducks
6
What is the mode?
0.5
5 and 5
5
55
7
Data you collect yourself is known as:
secondary data
primary data
tertiary data
yours (and you don't have to share it!!!)
8
What is the probability that a randomly selected person likes neither hotdogs or hamburgers?
1 out of 10
1 out of 20
2 out of 11
11 out of 20
9
Which 2 colours probably have the same number of marbles in the bag?
Blue and Orange
pink and Purple
Orange and Purple
Blue and Red
10
What is the median?
78
72.5
70
75
11
What is the median?
5.5
4
5
6
12
What is the complement of rolling a 6 and flipping a head
2 out of 3
1 out of 12
11 out of 12
1 out of 3
13
If you conducted the same trial 600 times, how many times would you expect purple to be drawn?
11
600
110
60
14
What is the probability that a randomly selected student would be a female from Asia?
4 out 0f 10
1 out of 8
10
10 out of 14
15
What is a census?
An official count or survey of an entire population
An unofficial count or survey
A survey
An official count or survey of part of a population
16
How many people like Hotdogs only?
3
11
2
14
17
What is a baby puffin called?
A puffer
A puff puff
A powder puff
A puffling
18
How many people were surveyed?
18
11
20
2
19
How many people like hotdogs?
3
4
11
14
20
Given that they like hotdogs what is the probability that a random person will also like hamburgers?
3 out of 11
11 out of 20
2 out of 20
11 out of 14
21
What is the probability that a randomly selected person will like both hotdogs and hamburgers
2 out of 20
4 out of 20
11 out of 20
20 out of 20
22
What is the relative frequency of drawing Green?
1/10
60
6/60
6
23
Re-arrange the letters, O O U S W T D N E J R, to spell just one word. What is it?
Jester
Just one word
Wounded
South west
24
What is the probability of rolling a 3 or flipping a tail
8 out of 12
7 out of 12
6 out of 12
1 out of 2
25
What are the top six foods that will make you fart?
beans, spinach, corn, peppers, rice and nachos
beans, corn, peppers, cauliflower, cabbage and milk
beans, corn, peppers, cabbage, cauliflower and potato
beans, corn, peppers, cabbage, cauliflower and spinach
26
How many people were surveyed?
80
it does not state
16
10
27
We wanted to know the favourite show of all USHS students so we surveyed all the girls in year 8. This data would be:
unbased
unbiased
based
biased
28
What it the probability of rolling an even number and tossing a tail?
1 out of 4
1 out of 3
11 out of 12
2 out 0f 3
29
What is the largest number on this stem and leaf plot?
800
95
41
9
30
What is the range?
4
7
5
3
