April 2019
Beginner to intermediate
1240 pages
45h 43m
English
Content preview from Data Science for Business and Decision Making
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Answers
Answer Keys: Exercises: Chapter 2
4)
- a) Continuous
- b) Ordinal
- c) Continuous
- d) Discrete
- e) Continuous
- f) Nominal
- g) Ordinal
- h) Ordinal
- i) Continuous
- j) Nominal
- k) Binary
- l) Ordinal
- m) Discrete
- n) Ordinal
- o) Binary
Answer Keys: Exercises: Chapter 3
6) Boxplot
7) Bar chart—qualitative and quantitative variables
Scatter plot—quantitative variables
8) Bar (horizontal and vertical), pie, and Pareto charts
9)
| Cars sold | Fi | Fri (%) | Fac | Frac (%) |
|---|---|---|---|---|
| 5 | 4 | 13.33 | 4 | 13.33 |
| 6 | 5 | 16.67 | 9 | 30 |
| 7 | 4 | 13.33 | 13 | 43.33 |
| 8 | 6 | 20 | 19 | 63.33 |
| 9 | 4 | 13.33 | 23 | 76.67 |
| 10 | 4 | 13.33 | 27 | 90 |
| 11 | 3 | 10 | 30 | 100 |
| Sum | 30 | 100 |
10)
| Class | Fi | Fri (%) | Fac | Frac (%) |
|---|---|---|---|---|
| 54.7 ├ 61.7 | 4 | 13.33 | 4 | 8 |
| 61.7 ├ 68.7 | 4 | 13.33 | 8 | 16 |
| 68.7 ├ 75.7 | 10 | 33.33 | 18 | 36 |
| 75.7 ├ 82.7 | 17 | 56.67 ... |
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