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Algebra, Probability & Statistics (Level 3) Flashcards | StudBud
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Algebra, Probability & Statistics (Level 3)
Algebra, Probability & Statistics (Level 3)
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Answers
1
If 9 out of 36 students chose blue, what angle should be used to represent blue in the pie chart?
900
1800
450
2
A stem & leaf diagram arranges data in numerical order.
False
True
3
Which of the following is the equation of a straight-line graph?
y=3x2 − 7
y=x2 + 3x − 5y
y=2x + 1y
y= 1/x
4
What is the y-intercept of the line given by y=3x−5?
-3
5
-5
3
5
Determine the mean from this table.
1.8
1.5
2.0
1.2
6
Which graphical representation would best compare the trends in sales over time?
Line Graph
Pie Chart
Stem & Leaf Diagram
7
Which type of correlation would you expect between the number of hours studied and exam scores?
Negative correlation
Undefined correlation
Positive correlation
No correlation
8
Which of the following equations represents a line with gradient 4 and y-intercept -2?
y=4x−2
y=4x+2
y=−2x+4
y=2x−4
9
How many students like basketball?
15
23
8
10
10
If a line passes through the points (2, 4) and (5, 10), what is its gradient?
2/3
2
3/2
3
