1.
Mike is deciding on tile for his bathroom. He has narrowed it down to 7 tiles. The price of the 7 tiles are listed below. Find the mean price of the tiles.
$3.29, $4.15, $2.97, $2.61, $5.00, $2.99, $3.75
2.
Erin and Jessica both took the same four health tests. Their grades are listed below. Which of the following statements is true?
Erin: 89, 76, 92, 83
Jessica: 95, 69, 78, 87
A.
Erin's mean score is lower than Jessica's mean score.
B.
Jessica's mean score is lower than Erin's mean score.
C.
Jessica's median score is higher than Erin's median score.
D.
Jessica and Erin had the same median score.
3.
Find the interquartile range for the data set below.
S = {1220, 1890, 1560, 1670, 1180, 2100, 1440}
4.
Justin took 10 math tests. His scores are listed below. Which of the following is the correct description of the lower 25% of Justin's scores?
82, 89, 75, 91, 83, 82, 71, 65, 93, 83
5.
The heights of 12 tomato plants in centimeters are listed below. In general the average height of a tomato plant is 90 cm and the median height is 86.5 cm. How does this data set compare?
67, 76, 79, 84, 86, 88, 89, 90, 91, 95, 95, 100
A.
The mean for this data set is lower and the median is higher.
B.
The mean for this data set is higher and the median is lower.
C.
Both the mean and the median for this data set is lower.
D.
Both the mean and median for this data set is higher.
E.
The mean and median for this set are the same as the mean and median for the general population of tomato plants.
6.
The min, Q1, Q2, Q3 and max of EOCT scores for 5 different math classes are listed below. Which class had the smallest middle 50% spread?
Class A: 56, 71, 82, 89, 95
Class B: 64, 69, 78, 85, 92
Class C: 59, 67, 73, 80, 89
Class D: 64, 75, 83, 89, 94
7.
A box-and-whisker diagram is the most appropriate diagram to use when trying to determine the __________ of a data set.
8.
Find the mean absolute deviation for the data set below.
180, 154, 210, 177, 194