| |
| |
1. |
The price for packs of bottled water at a grocery store over a nine week period was as follows: $3.25, $3.00, $3.50, $3.75, $3.25, $3.00, $2.50, $3.00, $2.75. Find the upper quartile rounded to the penny. |
| |
|
A. |
$3.00 |
B. |
$2.88 |
| |
|
C. |
$3.50 |
D. |
$3.38 |
| |
|
Hint |
|
| |
2. |
The price for packs of bottled water at a grocery store over a nine week period was as follows: $3.25, $3.00, $3.50, $3.75, $3.25, $3.00, $2.50, $3.00, $2.75. Find the interquartile range. |
| |
|
A. |
$0.50 |
B. |
$1.25 |
| |
|
C. |
$1.50 |
D. |
$0.75 |
| |
|
Hint |
|
| |
3. |
The price for packs of bottled water at a grocery store over a nine week period was as follows: $3.25, $3.00, $3.50, $3.75, $3.25, $3.00, $2.50, $3.00, $2.75. Find the median of the data. |
| |
|
A. |
$2.75 |
B. |
$3.25 |
| |
|
C. |
$3.00 |
D. |
$3.50 |
| |
|
Hint |
|
| |
4. |
Find the interquartile range of the data.
68, 15, 55, 5, 66, 42, 51, 12, 23 |
| |
|
A. |
63 |
B. |
42 |
| |
|
C. |
47 |
D. |
60.5 |
| |
|
Hint |
|
| |
5. |
Find all outliers for the data.
20, 16, 8, 12, 6, 31, 15, 14 |
| |
|
A. |
31 |
B. |
6 |
| |
|
C. |
6 and 31 |
D. |
none |
| |
|
Hint |
|
|
|