The second smoothed value for the 3-point moving average is

2021 QCAA Multiple Choice

Quiz
•
Mathematics
•
12th Grade
•
Medium

Frances Healy
Used 5+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
32
25
20
18
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many faces does this planar graph have?
3
4
5
7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table shows the results of a student survey about their preferred movie genre.
Of the students who preferred comedy, what percentage were in Year 9 or higher?
25%
30%
60%
75%
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A confounding variable is a variable that
can only take on a certain number of values.
remains constant throughout a statistical investigation.
is used to predict a difference in the response variable.
other than the explanatory variable, influences the response variable.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The coach of a four-person relay team is deciding on the order of the runners. Use the bipartite graph to determine which statement is correct.
Linh should be the first runner.
Simon should be the second runner.
Ivan should be the third runner.
Balal should be the fourth runner.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
These scatterplots show the number of high-rises in a city and their distance from the city centre. Which scatterplot was used to extrapolate that 25 km from the city centre there were 20 high-rises?
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which cut (C1, C2, C3 or C4) could be used to determine the maximum flow from the source to the sink in this network?
C1
C2
C3
C4
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