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Year 10 Maths Exam Revision
Year 10 Maths Exam Revision
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Answers
1
The value of y in the diagram is equal to:
15/sin57°
15×tan57°
15×sin57°
15×cos57°
2
For the following box plots, the males have an outlier at around:
76
there are no male outliers
61
54
3
What are you allowed to take into the exam?
Bound reference
All of the above
Scientific calculator
CAS calculator
4
For the following data, what is the median?
17.5
18
15
19
5
If you add all the variables in a data set together and then divide by the number of variables, you would get the:
range
mean
mode
median
6
For the following data, what is the mode?
17.5
19
18
15
7
Pictured is the line of best fit. According to this, if the temperature was 20°C, ice cream sales would equal:
$450
$550
$400
$500
8
The angle x in the diagram is equal to:
\sin^{-1}\left(\frac{6}{10}\right)
\sin^{-1}\left(\frac{10}{6}\right)
\tan^{-1}\left(\frac{6}{10}\right)
\cos^{-1}\left(\frac{6}{10}\right)
9
The angle from the boat to the lighthouse is:
Angle of elevation
Angle of depression
10
If A=wearing yellow and B=blue eyes, what is A∪B?
10
40
42
12
11
How many students were surveyed altogether?
62
22
40
50
12
Two letters are chosen from the word DOG with replacement. What is the probability of selecting double letters?
\frac{1}{9}
\frac{1}{3}
\frac{2}{3}
\frac{1}{2}
13
For the following box plots, the IQR for males is approximately:
51
37
14
32
14
The results of 100 spins are shown below. What is the experimental probability of landing on red?
\frac{20}{100}
0.25
\frac{23}{100}
\frac{18}{100}
15
In the frequency table that shows hours students spent studying, how many students studied for more than 2 hours?
17
8
13
5
16
If the equation of the line is sales=33\times temperature-216what would sales be when it is 30°C?
$774
$650
$990
$216
17
The type of data generated by the question "What colour is your hair?" would be:
numerical discrete
categorical ordinal
numerical continuous
categorical nominal
18
The median of this stem and leaf plot is:
63
60
3
61.5
19
Is the previous answer extrapolating or interpolating?
extrapolating
interpolating
20
Two letters are chosen from the word DOG with replacement. What is the probability of selecting at least one D?
\frac{1}{3}
\frac{5}{9}
\frac{4}{9}
\frac{1}{9}
21
The true bearing of the red line in this diagram is:
030°T
060°T
330°T
150°T
22
If the same experiment was done without replacement, what would be the probability of selecting a second R?
\frac{1}{2}
\frac{3}{8}
\frac{4}{9}
\frac{5}{8}
23
This scatterplot shows the relationship between ice cream sales and temperature. The relationship could be described as:
Weak, negative, linear
Strong, negative, linear
Weak, positive, linear
Strong, positive, linear
24
Which variable is the EV (explanatory variable)?
Temperature
Sales
25
From the box plots, you could make the conclusion that:
Males win more Oscars than females
Generally, female winners are younger than male winners
Male winners are generally younger than female winners
The median age of females is higher than males
26
For the following data, what is the range?
11
17
28
9
27
A letter is chosen from the word WINNING. The probability that the letter will be an N is:
\frac{3}{7}
\frac{1}{2}
\frac{2}{7}
\frac{1}{4}
28
What is the probability of selecting one of each counter?
\frac{20}{81}
\frac{9}{9}
\frac{40}{81}
\frac{1}{2}
29
Two letters are chosen from the word DOG
without
replacement. How many different outcomes are there?
3
9
5
6
30
What is the
theoretical
probability of landing on red?
\frac{25}{100}
0.23
\frac{1}{5}
\frac{23}{100}
31
According to this table of students, the number who are neither wearing yellow or have blue eyes is:
50
2
20
30
32
The interval with the highest frequency in this histogram is:
30-40
60-70
40-50
50-60
33
A cyclist travels 10 km south, then 8 km east. To find θ you would use:
\sin\left(\frac{8}{10}\right)
\cos\left(\frac{8}{10}\right)
\tan\left(\frac{8}{10}\right)
\tan\left(\frac{10}{8}\right)
34
For the following box plots, the median age for females is approximately:
42
20
25
35
35
What is the probability of selecting a student wearing yellow?
\frac{40}{62}
\frac{30}{62}
\frac{12}{62}
\frac{40}{42}
36
Pictured is a Venn diagram of the previous table. If A=wearing yellow and B=blue eyes, what is A∩B?
42
12
40
10
37
The type of data generated by the question "How far do you travel to school?" would be:
categorical ordinal
numerical continuous
numerical discrete
categorical nominal
38
Counters are selected from a bag of 4 red and 5 blue with replacement. What is the probability of selecting a R then B?
\frac{8}{9}
\frac{20}{81}
\frac{16}{81}
\frac{5}{9}
39
Which topic is not assessed on the exam?
Algebra
Trigonometry
Statistics
Probability
40
In the previous question, were you extrapolating or interpolating?
extrapolating
interpolating
