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Level 7 Statistics and Probability Flashcards | StudBud
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Level 7 Statistics and Probability
Level 7 Statistics and Probability
30 terms
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StudBud Administration
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68 plays
For level 7 Victorian Curriculum
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
On a fair 5 sided die, what is the probability of rolling a 3?
0.3
0.6
0.2
1
2
The range of this data set, 11, 15, 4, 14, 11, 18, 15, 11, 12, 6, is:
11
18
4
14
3
What is a fair dice?
One that is 6 sided
One that is unweighted
One that is equally likely to land on any side
One that is pale
4
The mode of the data set 11, 15, 4, 14, 11, 18, 15, 11, 12, 6 is:
11.7
11.5
10
11
5
A sample space is:
the sum of the possible outcomes
the list of possible outcomes
the fraction
the outcomes we want
6
The median of the data set 11, 15, 4, 14, 11, 18, 15, 11, 12, 6 is:
11
11.7
14
11.5
7
'Range' is
the difference between the maximum and minimum
the sum of all the points divided by the number of points
the sum of the maximum and minimum
the difference between the mean and median
8
House numbers for students are shown in the stem and leaf plot. How many students responded?
12
28
32
16
9
This spinner is mostly likely to land on:
black
blue
red
green
10
For table shown, what is experimental probability of someone wanting a pear or a peach?
14 out of 35
19 out of 35
9 out of 35
5 out of 35
11
The is called a:
scatter plot
dot plot
line graph
column graph
12
Which one of the following variables has discrete numerical data?
Car colours
Lengths
Ages
Number of studnents in a class
13
How many people voted for Bananas?
13
9
8
5
14
The mean of the data set 11, 15, 4, 14, 11, 18, 15, 11, 12, 6 is:
14
11
11.7
11.5
15
A letter is selected at random from the word PROBABILITY. What is Pr(B)?
2
0.2
0.18
11
16
Which one of the following variables has categorical data?
Lengths
Ages
Percentages
Car colours
17
What it the most popular number of pets?
3
2
1
8
18
For table shown, what prediction for a pear being the favourite fruit out of 1400 people?
200
100
400
300
19
A spinner is found to have pr(red)=0.2. If spun 100 times, how often should it be red?
80
10
20
2
20
For table shown, what is experimental probability of some choosing apples?
2.3
0.23
8 out of 30
8 out of 35
21
This line graph shows that when x is 3, y is:
4
2
1
3
22
What is the probability of drawing a blue marble from the bag?
2
10%
0.02
20%
23
How many students own 4 pets?
1
3
4
6
24
'Mean' is
the difference between the maximum and minimum
the middle result
the most common result
the sum of all the points divided by the number of points
25
A number is added to the data set 2, 3, 6, 7, 8. The new mean is 5. What is the number?
3
2
4
5
26
A survey on the number of pets owned is shown. How many students participated in the survey?
28
30
8
29
27
TRUE OR FALSE: A column graph for categorcial data needs space between the columns
false
true
28
'Median' is
the difference between the maximum and minimum
the sum of all the points divided by the number of points
the most common result
the middle result
29
'Mode' is
the sum of all the points divided by the number of points
the middle result
the difference between the maximum and minimum
the most common result
30
What kind of graph is this?
Column Graph
Line Graph
Stem and Leaf Plot
Dot Plot
