Exercise 2-9 Algo
A statistics instructor is interested in the academic classification of her students, which is defined as freshman, sophomore, junior, or senior. Her roster is shown in the accompanying data file.
Click here for the Excel Data File
a-1. Construct the frequency and relative frequency distributions.
Note: Round relative frequency to 2 decimal places.
a-2. How many freshmen are in her class?
a-3. What percentage of the class are sophomores?Student Status
1 Sophomore
2 Sophomore
3 Junior
4 Sophomore
5 Freshman
6 Freshman
7 Freshman
8 Sophomore
9 Sophomore
10 Sophomore
11 Senior
12 Senior
13 Sophomore
14 Freshman
15 Sophomore
16 Junior
17 Junior
18 Freshman
19 Sophomore
20 Senior
21 Freshman
22 Junior
23 Sophomore
24 Junior
25 Freshman
26 Senior
27 Sophomore
28 Senior
29 Senior
30 Sophomore
31 Sophomore
32 Senior
33 Sophomore
34 Senior
35 Sophomore
36 Senior
37 Freshman
38 Freshman
39 Sophomore
40 Freshman
41 Senior
42 Junior
43 Senior
44 Senior
45 Freshman
46 Sophomore
47 Junior
48 Freshman
49 Senior
50 Senior
51 Junior
52 Senior
53 Senior
54 Senior
55 Junior
56 Senior
57 Freshman
58 Freshman
59 Sophomore
60 Senior