Arthur catches the train to school from a suburban train station. Over the course of 30 days he counts the number of people waiting at the station when the train arrives.
17
25
32
19
45
30
22
15
38
8
21
29
37
25
42
35
19
31
26
7
22
11
27
44
24
22
32
18
40
29
a. Construct a tally and frequency table for this data using class intervals 0 - 9, 10 - 19, ..., 40 - 49.
b. On how many days were there less than 10 people at the station?
c. On what percentage of days were there at least 30 people at the station?
d. Draw a column graph to display the data.
e. Find the modal class of the data.