DISPLAYING DATA RACE
1. Your class just took your last math test of the year. You all studied hard and
these are the scores: 97, 99, 81, 78, 73, 95, 33, 97, 64, 100, 85, 83, 85, 88, 79,
81, 93, 86, 83, and 71.
2. A medical trial into the effectiveness of a new medication was carried out. 120
females and 90 males took part in the trial. Out of those people, 50 females and 30
males responded positively to the medication.
3. Compare the following two lists of class sizes.
Econ 101: 9, 13, 14, 15, 16, 16, 17, 19, 20, 21, 21, 22, 25, 25, 26
Poly Sci 101: 14, 16, 17, 18, 18, 20, 20, 24, 29, 28, 27, 12, 19, 24
4. The following data represents the heights of 16 adults in centimeters: 162, 168,
177, 147, 189, 171, 173, 168, 178, 184, 165, 173, 179, 166, 168, 165
5. You decide to get odd jobs for the summer and you keep a log of your daily
earnings. In one month you earned the following amounts: $12, $9, $15, $17,
$20, $12, $9, $6, $13, $15, $11, $17, $18, $14, $15, $20, $25, $13, $12, $15.
6. Represent the following data about the battery life of two different phone brands.
Brand A: 7, 10, 15, 17, 17, 19, 22, 26, 27, 32,34, 56, 75 (hours)
Brand B: 300, 420, 600, 1260, 480, 660, 480, 1020, 1140, 1260, 1320, 3660, 600
(minutes)
stem and leaf side by side
7. This data set gives pulse rates, in beats per minute, for a group of 30 students. 68 60
76 68 64 80 72 76 92 68 56 72 68 60 84 72 56 88 76 80 68 80 84 64 80 72 64 68 76 72
dot plot
8. A manager at Sobeys is interested in the distance Sobeys employees travel to
work each day. She asks each employee how many kilometers the store is
from his or her home and received the following answers:
1
2
6
7
12
13
2
6
9
5
18
7
3
15
15
4
17
1
14
5
4
16
4
5
8
6
5
18
5
2
9
11
12
1
9
2
10
11
4
10
histogram
9. Each month you measure how much weight your pup has gained and get these
results:
0.5, 0.5, 0.3, −0.2, 1.6, 0, 0.1, 0.1, 0.6, 0.4
histogram
10. A study was done on volunteer patients. 279 were given the drug and 539 were
not. Of those given the drug only 3 remained infected. Of those not given the drug ,
66 became infected. contingency table and bar chart