Reference no: EM131090184

1. The following test scores were recorded for a student: 99, 69, 96, 69, 78. Find the mean, median, and mode.
A. mean: 85.5 median: 96 mode: 99
B. mean: 82.2 median: 78 mode: 99
C. mean: 102.8 median: 87 mode: 69
D. mean: 82.2 median: 78 mode: 69

2. Find the median of 8, 2, 22, 19, 28, 41, 40, 37. If necessary, round to one decimal place.
A. 28
B. 25
C. 22
D. 24.5

3. If a single die is tossed once, find the probability that you roll 9.
A. 9
B. 0
C. 1
D. 9/6

4. Find the mean of 59, 43, 95, 26, 110, 77. If necessary, round to one decimal place.
A. 81.8
B. 67.7
C. 68.7
D. 68.2

5. If a single die is tossed once, find the probability that you roll 6 or 3.
A. 9
B. 1/6
C. 1/3
D. 1/2

6.You toss two coins. Draw a tree diagram to find the number of possible outcomes.
A. 3 outcomes
B. 4 outcomes
C. 1 outcome
D. 2 outcomes

7.You toss two six-sided dice. Draw a tree diagram to find the number of possible outcomes.
A. 36 outcomes
B. 2 outcomes
C. 12 outcomes
D. 1 outcome

8. If a single die is tossed once, find the probability that you roll an odd number.
A. 1/6
B. 3
C. 1/2
D. 1/3

9.Find the mode or modes (if any) of 7.04, 7.41, 7.56, 7.04, 7.88, 7.99, 7.62.
A. 7.56
B. 7.506
C. 7.04
D. 7.41

10. If a single die is tossed once, find the probability that you roll 6 or 5 or 1.
A. 1/3
B. 1/2
C. 12
D. 1/6

11. Find the mean of 5, 5, 9, 5, 12, 9. If necessary, round to one decimal place.
A. 9
B. 7.5
C. 8
D. 6

12.The following test scores were recorded for a student: 99, 94, 92, 88, 94, 80, 90. Find the mean, median, and mode.
A. mean: 91 median: 88 mode: 99
B. mean: 92 median: 88 mode: 94
C. mean: 92 median: 91 mode: 99
D. mean: 91 median: 92 mode: 94

13.Find the median of 14, 21, 35, 51, 65, 70, 76. If necessary, round to one decimal place.
A. 65
B. 47.9
C. 35
D. 51

14.You toss three coins. Draw a tree diagram to find the number of possible outcomes.
A. 6 outcomes
B. 3 outcomes
C. 8 outcomes
D. 1 outcome

15.The following test scores were recorded for a student: 73, 70, 68, 67, 76, 72. Find the mean, median, and mode.
A. mean: 71 median: 71 mode: none
B. mean: 72 median: none mode: 76
C. mean: 71 median: 87 mode: 69
D. mean: 70 median: none mode: none

16.

 

17. Find the mean of 17, 12, 8, 11, 8, 4, 4. If necessary, round to one decimal place.
A. 8.6
B. 10.7
C. 10.6
D. 9.1

18.Find the median of 8, 14, 21, 25, 30, 47. If necessary, round to one decimal place.
A. 21
B. 23
C. 25
D. 20.5

19. Find the mode or modes (if any) of 5, 9, 53, 3, 2, 8, 43, 1, 4, 16.
A. 8
B. 13.8
C. 9
D. no mode

20.Find the mean of 75, 52, 75, 99, 52. If necessary, round to one decimal place.
A. 70.1
B. 88.3
C. 71.1
D. 70.6

21. Simplify 48 ÷ 24 (-6).
A. -12
B. -0.33
C. -3
D. 2.67

23. Find the sum of -34 and 47.
A. 13
B. 81
C. -13
D. -81

24.Simplify -16 + 40 ÷ (-4).
A. 6
B. -26
C. -6
D. 26

25. Choose the alternative that best represents the quantity. Big Ben's Plumbing recorded a profit of $287 last month.
A. -287
B. +287

26. Choose the alternative that best represents the quantity. The temperature recorded at the airport was 43° above zero.
A. +43
B. -43

27. Simplify (-6)(-5) + 8.
A. 10
B. 38
C. -22
D. 22

28.Subtract -15 - (-4).
A. -11
B. -19
C. 19
D. 11

29.

30.

31. Multiply -16(-4).
A. -80
B. 64
C. 80
D. 68

32. Subtract -9 - 10.
A. 1
B. -1
C. 19
D. -19

33. Multiply -1.8(-3.2).
A. 7.56
B. -7.56
C. 5.76
D. 8.96

34. Choose the alternative that best represents the quantity. The team scored 25 points.
A. +25
B. -25

35.Multiply -9(20).
A. 171
B. -200
C. -180
D. -171

36.Subtract 15 - (-2).
A. -17
B. -13
C. 13
D. 17

37. Divide -138 ÷ (-6)
A. 1/23
B. 13
C. 23
D. -23

38. Subtract 3 - 14.
A. 17
B. -11
C. 11
D. -17

39. Add the numbers -2 + 4 using the number line.
A. 2
B. -6
C. -2
D. 6

40. Divide 18 ÷ (-9).
A. 2
B. 3
C. -2
D. -3