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Year 11 Standard Yearly Revision 3 Flashcards | StudBud
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Year 11 Standard Yearly Revision 3
Year 11 Standard Yearly Revision 3
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1
Which of the following is
not
a cause of graphs being misleading?
Vertical axis scale doesn't start at zero.
Incorrect use of area or volume creates a false impression.
Horizontal axis scale doesn't start at zero.
Vertical axis scale is irregular.
2
What is the range and interquartile range of the box plot shown?
Range = 10; IQR = 5
Range = 27; IQR = 15
Range = 15; IQR = 27
Range = 20; IQR = 23
3
Which of the following can be used to identify outliers in a sample of data?
mean − 1.5 × IQR
Q3 + 1.5 × IQR
median + 1.5 × IQR
Q1 − 5 × ơn-1
4
Police checked the BAC of every fifth driver passing an intersection. What is this method of sampling?
Systematic
Census
Stratified
Random
5
What is the vertical axis title on the right-hand side of a Pareto chart?
Cumulative frequency
Category
Cumulative percentage
Frequency
6
Based on the frequency histogram, what is the total number of matches played?
6
5
17
18
7
Which of the following is an example of discrete data?
The time taken by students to complete a task
The number of students in a class
The height of Year 11 students
The eye colours of the students in a class
8
Two spinners with the numbers 1, 2, and 3 on them are spun. What is the probability of spinning two 3s?
2/3
1/9
2/9
1/3
9
If
P
(rains tomorrow) = 0.62, what is the probability that it does not rain tomorrow?
0.62
0.31
−0.62
0.38
10
Based on this cumulative frequency histogram, what is the frequency of the score 5?
4
5
3
11
11
Which dot plot illustrates a distribution that is positively skewed?
Graph C
Graph A
Graph D
Graph B
12
Which statements can NEVER be true about the probability of an event
E
occuring?
0 < P(E) < 1
P(E) = 0
P(E) = 1.2
P(E) = −0.5
13
How many outcomes does this tree diagram have?
4
6
10
8
14
What is the probability of selecting at least one red?
7/8
1/8
3/8
1/4
15
Which words correctly describe this distribution?
Smooth, unimodal, negatively skewed
Smooth, symmetrical, bimodal
Smooth, symmetrical, U-shaped
Smooth, unimodal, positively skewed
16
Calculate the sample standard deviation of:
23, 23, 24, 25, 25, 25 and 26
171
1.05
1.13
7
17
What type of data is
'the type of motor vehicle'
?
Continuous
Discrete
Nominal
Ordinal
18
The table shows statistics of the results of five tests. Which student has the more consistent results?
Molly
Alice
Ryder
Hamza
19
In a set of 7 data values, one score is an outlier. Which of these statistics will be most influenced by the outlier?
Median
Mode
Interquartile range
Mean
