Problem 2E

For each of the following data sets, explain why the correlation coefficient is the same as for the data set in Exercise 1.

a.

x |
1 |
2 |
3 |
4 |
5 |
6 |
7 |

y |
5 |
4 |
7 |
6 |
10 |
8 |
9 |

b.

x |
11 |
21 |
31 |
41 |
51 |
61 |
71 |

y |
5 |
4 |
7 |
6 |
10 |
8 |
9 |

c.

X |
53 |
43 |
73 |
63 |
103 |
83 |
93 |

y |
4 |
6 |
8 |
10 |
12 |
14 |
16 |

Optional: Chapter 01 Graphing in Econ ** BOLDED WORDS ARE KEY TERMS ** ** YELLOW = KEY CONCEPTS ** ** GREEN = THINGS THAT MAY APPEAR ON A QUIZ/EXAM ** Graphing Data SUMMARY: Graphs represent quantity as a distance ○ On a 2D graph: ■ XAxis: horizontal line ■ YAxis: vertical line ■ Origin: intersection “0” ● Scatter Diagram: shows relationship...