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16 questions
Which of these could be a cumulative frequency graph?
The graph shows the masses of some pumpkins grown on an allotment. What is the median?
15
14
10
18
Find the cumulative frequencies.
28, 56, 84, 100
28, 58, 70, 72, 74, 76
33%, 37%, 20%, 7%, 7%, 7%
28, 30, 12, 2, 2, 2
What is the median score on the test?
50
55
40
60
What is the interquartile range?
42
73
50
31
How many students scored 40% or below on the test?
21
22
20
15
Find the number of passengers who waited for the bus for 15 min or less.
6
10
20
24
Find the number of patients who waited for more than 80 min for a doctor.
12
16
62
64
8
10
22
30
What percent of the college students surveyed have less than $5000 in debt?
25%
50%
70%
100%
What is the median age?
60
55
50
45
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