Constructing

February 27, 2023February 27, 2023 Discipline: Statistics
Learning Goal: I’m working on a statistics multi-part question and need the explanation and answer to help me learn.

1. Construct a box plot and histogram for these data. Using the information reflected in the plots to describe the distribution if the data set. Your description should address central tendency, variation, and skewness. 2. Use the plots to determine which firm(s) having unusual R&D ratios. 3. Exclude the outlier(s) from the data. What is the effect excluding the outlier(s) has on the summery statistics? Explain


Firm R&D
1 13.5
2 8.4
3 10.5
4 9
5 9.2
6 9.7
7 6.6
8 10.6
9 10.1
10 7.1
11 8
12 7.9
13 6.8
14 9.5
15 8.1
16 13.5
17 9.9
18 6.9
19 7.5
20 11.1
21 8.2
22 8
23 7.7
24 7.4
25 6.5
26 9.5
27 8.2
28 6.9
29 7.2
30 8.2
31 9.6
32 7.2
33 8.8
34 11.3
35 8.5
36 9.4
37 10.5
38 6.9
39 6.5
40 7.5
41 7.1
42 13.2
43 7.7
44 5.9
45 5.2
46 5.6
47 11.7
48 6
49 7.8
50 6.5
51 20.5
52 32.7
53 27.3
54 22.9
55 12.8
56 34.6
57 19.7
58 10.2
59 11.7
60 22.2

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