| |
| |
1. |
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
no solution |
D. |
 |
| |
|
Hint |
|
| |
2. |
The Carpenter family earns $30,000 a year after taxes. In their budget $8000 is needed for housing, $8000 for food, $4000 towards clothing, and the rest toward miscellaneous expenses. How many degrees are allowed for miscellaneous in a circle graph of this data? |
| |
|
A. |
120° |
B. |
116° |
| |
|
C. |
122° |
D. |
118° |
| |
|
Hint |
|
| |
3. |
The heights in inches of 10 senior boys are 64, 65, 66, 68, 71, 72, 73, 73, 73, and 74. What is the median height? |
| |
|
A. |
72.0 in. |
B. |
71.5 in. |
| |
|
C. |
69.9 in. |
D. |
71.0 in. |
| |
|
Hint |
|
| |
4. |
In statistics ______. |
| |
|
A. |
graphs cannot be used to mislead |
B. |
leaving values out of data analysis makes the data free of bias |
| |
|
C. |
data is always presented in a fair and unbiased manner |
D. |
meaasures of central tendency can be used to mislead |
| |
|
Hint |
|
| |
5. |
 |
| |
|
A. |
-5 |
B. |
2 |
| |
|
C. |
-13 |
D. |
9 |
| |
|
Hint |
|
| |
6. |
The data are ages of children in months. Find the median age. |
| |
|
 |
| |
|
A. |
12 months |
B. |
11 months |
| |
|
C. |
18 months |
D. |
14 months |
| |
|
Hint |
|
| |
7. |
Which graph is most appropriate to show the components of a budget? |
| |
|
A. |
Scatter Plot |
B. |
Circle Graph |
| |
|
C. |
Line Plot |
D. |
Bar Graph |
| |
|
Hint |
|
| |
8. |
Which type of display is most appropriate to show the population of the United States over a series of ten-year intervals? |
| |
|
A. |
Line Plot |
B. |
Scatter Plot |
| |
|
C. |
Circle Graph |
D. |
Histogram |
| |
|
Hint |
|
| |
9. |
The table shows seven different companies and their prices for car detailing. Company A claims to have prices that are less than the prices of most of their competitors. Is this an accurate statement? Why? |
| |
|
 |
| |
|
A. |
Not Enough Information Given |
| |
|
B. |
No, Company A's price is equal to those of most of the other companies. |
| |
|
C. |
Yes, more companies charge $93 than any other price. |
| |
|
D. |
No, Company A's price is lower than the mode, but higher than the prices of the 4 other companies. |
| |
|
Hint |
|
| |
10. |
The frequency table shows the heights of the students in Ms. Ortega’ second period class. Which histogram correctly and completely shows the data? |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
11. |
The histogram shows the record high temperatures for the fifty states. How many states have a record high temperature less than 115°F? |
| |
|
 |
| |
|
A. |
40 states |
B. |
28 states |
| |
|
C. |
17 states |
D. |
11 states |
| |
|
Hint |
|
| |
12. |
The school store is selling T-shirts in red, white, grey, and blue. The graph at the right shows how many of each color the store has sold. Which circle graph also represents this information? |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
13. |
Find the interquartile range of the data.
68, 15, 55, 5, 66, 42, 51, 12, 23 |
| |
|
A. |
42 |
B. |
63 |
| |
|
C. |
47 |
D. |
60.5 |
| |
|
Hint |
|
| |
14. |
Find all outliers for the data.
20, 16, 8, 12, 6, 31, 15, 14 |
| |
|
A. |
31 |
B. |
6 and 31 |
| |
|
C. |
none |
D. |
6 |
| |
|
Hint |
|
| |
15. |
Which statement about the data represented by the box-and-whisker plot is not true? |
| |
|
 |
| |
|
A. |
Half of the data is between 36 and 48. |
B. |
The range of the data is 26. |
| |
|
C. |
The data has one outlier. |
D. |
The data in the first quartile is more spread out than the data in the other quartiles. |
| |
|
Hint |
|
| |
16. |
Which statement about the data represented by the box-and-whisker plot is not true? |
| |
|
 |
| |
|
A. |
The range is 26. |
B. |
The median is 60. |
| |
|
C. |
The data in the second quartile is less spread out than the data in the third quartile. |
D. |
The interquartile range is 16. |
| |
|
Hint |
|
|
|