YEAR 10 S2 MIXED REVIEW

Question 1

27. If I take a data set and double each score, the IQR will...

Accepted Answer

Also double

Question 2

16. Which of these exponentials has an x intercept of 1?

Accepted Answer

None of the above

Question 3

22. The relationship between BPM and hours of exercise per week is...

Accepted Answer

Negative

Question 4

28. What is the probability someone has blue eyes given that they are a boy?

Accepted Answer

4/7

Question 5

5. A parabola goes through the point (0,0). It's y intercept would be:

Accepted Answer

0

Question 6

6. I toss a normal coin twice. What is the probability I get 1 heads and 1 tail (in any order)?

Accepted Answer

1/2

Question 7

24. In the data set 0, 18, 19, 20, 30, the number of outliers is

Accepted Answer

0

Question 8

18. The line of best fit of data is y=2.8x + 22. What is the x value when y = 78?

Accepted Answer

20

Question 9

20. Which of these is a point of intersection between y=x and x2+y2=128?

Accepted Answer

(8,8)

Question 10

29. I roll 2 die at the same time. What is the probability that I roll 2 on one (but not both)?

Accepted Answer

10/36=5/18

Question 11

14. Which of these represents continuous data?

Accepted Answer

The time taken to run 100m

Question 12

30. If P(A∩B)=0.9, P(A)=0.95 and A and B are independent, what is P(B)?

Accepted Answer

18/19

Question 13

26. How many x intercepts does the following parabola have: y=x2-12x+36?

Accepted Answer

1

Question 14

15. The radius of the circle x2+y2=20.25 is...

Accepted Answer

4.5

Question 15

13. A data set is positively skewed with median 20. Which is most likely to be the mean?

Accepted Answer

25

Question 16

25. The equation of this parabola is...

Accepted Answer

y=x2-x-6

Question 17

10. The equation of this parabola could be

Accepted Answer

y=x2-4

Question 18

23. This linear relationship is best described as...

Accepted Answer

Strong

Question 19

7. In a set of data, the range is 10. The IQR must therefore be...

Accepted Answer

Less than or equal to 10

Question 20

4. Which of the following is NOT the equation of a circle?

Accepted Answer

y=x2+1

Question 21

11. The IQR of a set of data is 30. If Q1=15 then Q3 is...

Accepted Answer

45

Question 22

8. If I roll a normal die, what is the probability that the number is less than 3?

Accepted Answer

2/6=1/3

Question 23

12. A parabola has two x intercepts: a and -a. Its axis of symmetry is therefore:

Accepted Answer

x=0

Question 24

17. The maximum value of the parabola y=-x2+9 is

Accepted Answer

9

Question 25

9. What is the turning point of this parabola?

Accepted Answer

(0,-4)

Question 26

19. The boxplot in the diagram is...

Accepted Answer

Positively skewed

Question 27

1. The probability an event occurs is a. What is the probability that it doesn't occur?

Accepted Answer

1-a

Question 28

21. As x goes up, y goes down. The relationship between these variables is definitely

Accepted Answer

Negative

Question 29

3. The turning point of a parabola is (2,3). Therefore, its axis of symmetry is...

Accepted Answer

x=2

Question 30

2. Which of these is not part of the five number summary?

Accepted Answer

Mode

YEAR 10 S2 MIXED REVIEW

Questions 30

YEAR 10 S2 MIXED REVIEW

Questions 30