Use the Following to Answer Question 1

Chapter 8 Test A

Name: ______Date: ______

IF THERE IS A SPACE SAYING SHOWWORK HERE THEN YOU NEED TO SHOW YOUR WORK. IF YOU DO NOT SHOW YOUR WORK YOU WILL NOT GETFULL CREDIT!!!

Use the following to answer question 1:

1. / The pie chart shows the distribution of a person's total yearly income of $36,000. Find the amount budgeted for utilities.
Show work here:
/ Feedback (leave blank):
A) $4,320 B) $1,800 C) $3,600 D) $2,880
Answer: D
2. / Find the median of the following set of numbers.
33, 72, 23, 27, 77, 68, 85
Show work here:
In ascending order:
23, 27, 33, 68, 72, 77, 85
median is the middle number, 68 / Feedback (leave blank):
A) 72 B) 27 C) 55 D) 68
Answer: D

Use the following to answer question 3:

3. / Use the bar graph, showing the attendance at a circus for 7 days in September, to find the median attendance over the 7 days.
Show work here:
In ascending order:
3200, 4000, 4800, 5600, 5600, 6400, 7200
median is the middle number,5600 / Feedback (leave blank):
A) 4,000 B) 5,600 C) 3,200 D) 4,800
Answer: B
4. / Find the mean of the following set of numbers.
13, 15, 18, 18, 18, 19, 22, 26, 28, 33
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= 21 / Feedback (leave blank):
A) 21 B) 20.6 C) 20 D) 20.3
Answer: A
5. / Find the mode of the following set of numbers.
15, 14, 10, 15, 16
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The number having the highest frequency is 15. / Feedback (leave blank):
A) 14 B) no mode C) 15 D) 10
Answer: C

Use the following to answer questions 6-7:

6. / Use the graph, showing the yearly food costs of a family.
In what year was the cost of food the greatest?
A) 2002 B) 2004 C) 2005 D) 2000
Answer: A
7. / Use the graph, showing the yearly food costs of a family.
What was the cost in 2001?
A) $500 B) $11,000 C) $1,000 D) $10,000
Answer: D
8. / Use the graph below, showing the total U.S. motor vehicle production for the years 1996 to 2002, to answer the question.

What was the production in 2000?
Answer: 12,750,000
9. / Liza kept the following records of her utility bills for 12 months:
$30, $25, $33, $29, $46, $31, $30, $63, $41, $40, $34, $30
(a) Find the mean of Liza's monthly utility bill.
(b) Find the median of Liza's monthly utility bill.
Show work here:
(a)

(b)
In ascending order:
$25, $29, $30, $30, $30, $31, $33, $34, $40, $41, $46, $63
Median is the average of middle values,
/ Feedback (leave blank):
Answer: (a) 36, (b) 32
10. / Find the mean of the following set of numbers.
12, 16, 19, 22, 28, 30
Show work here:
/ Feedback (leave blank):
Answer: 21.17
11. / Add
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/ Feedback (leave blank):
Answer:
12. / Evaluate
A) 14 B) C) D)
Answer: A
13. / Multiply
Show work here:
(7.6)(1)(-6)
= (7.6)(-6)
= -45.6 / Feedback (leave blank):
Answer: -45.6
14. / Find the reciprocal of
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/ Feedback (leave blank):
A) B) C) D)
Answer: B
15. / Subtract
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/ Feedback (leave blank):
Answer:
16. / Multiply
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/ Feedback (leave blank):
Answer: -6
17. / Add
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-26+(-29) = -26 - 29 = -55 / Feedback (leave blank):
Answer: -55
18. / Divide
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/ Feedback (leave blank):
Answer: -2
19. / Place the following set of numbers in ascending order.

Show work here:
/ Feedback (leave blank):
Answer:
20. / Divide
Show work here:
Denominator can not be zero.
Result is undefined. / Feedback (leave blank):
Answer: undefined

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