Download 7th PreAP Name Mixed Review

7th PreAP
Name _________________________
Mixed Review: Financial Literacy and Statistics
Please show all proper formula steps for credit.
Simple Interest Formula: I=Prt
Use simple interest to find the interest only.
1) $34,100 at 4% for 3 years
Compound Interest Formula: A=P(1+r)^t
Use simple interest to find the interest only.
2) $210 at 8% for 7 years
Use simple interest to find the ending balance.
3) $4,000 at 3% for 48 months
Use simple interest to find the ending balance.
4) $20,600 at 8% for 24 months
Use simple interest to find the ending balance.
5) $7,400 at 10.5% for 1/4 years
Use compound interest to find the ending balance.
6) $1,500 at 7% compounded annually for 3 years
Use compound interest to find the ending balance.
7) $1,240 at 8% compounded annually for 2 years
Use compound interest to find the ending balance.
8) $12,700 at 8.8% compounded annually for 1
year
Use compound interest to find the ending balance.
9) $55,000 at 16% compounded annually for 2 years
10.
Complete the table to calculate the net worth:
Credit card debt, $2,680 Savings account, $22,500
Retirement savings, $87,600
Balance in checking account, $142,760
Value of second car (paid off), $4,700
Student loans, $32,650
Assets
Net worth=
Liabilities
Car loan, $14,790
11. The number of turtles in different turtle parks are 9, 8,
19, 16, 13, and 14. Construct a box plot for the data set.
12. The
table shows the number of absent students
during a two-week period.
1
4
Number of Absent Students
2
1
0
3
2
2
6
3
Find the mean absolute deviation of absent students.
Round to the nearest hundredth if necessary.
Mean=
M.A.D. =
13. The
data display below shows the ages of the people
attending a meeting.
Which of the following statements is NOT true?
a. There is an outlier at 66.
b. The distribution is non-symmetric.
c. There are clusters from 55–57 and from 59–61.
d. The distribution is symmetric.
15. Vince
14. The
data display shows the shoe sizes of several
students.
Describe the center and spread of the distribution.
Justify your answer based on the shape of the
distribution.
a. The distribution is non-symmetric. The data
are centered around 9.8. The spread of the
data around the center is 1.7.
b. The distribution is symmetric. The data are
centered around 9.8. The spread of the data
around the center is 1.7.
c. The distribution is non-symmetric. The data
are centered around 10. The spread of the
data around the center is 4.
makes a graph of the number of minutes he walks each morning. What is the difference between the range
and the mean absolute deviation, rounded to the nearest tenth?
Answer Key
1. $4,192.00
2. $117.60
3. $4,480.00
4. $23,896.00
5. $7,594.25
6. $1,837.56
7. $1,446.34
8. $13,817.60
9. $74,008.00
10. $207,440
11.
12. 1.28
13. D
14. C
15. 3.4