Is there a relation between murder and arson? A random sample of 15 Midwest cities (over 10,000 population) gave the following information about an annual number of murder and arson cases. (Reference:...


Is there a relation between murder and arson? A random sample of 15 Midwest cities (over 10,000 population) gave the following information about an annual number of murder and arson cases. (Reference: Federal Bureau of Investigation, U.S. Department of Justice.)





























































City

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Murder
1311241514101920221618621817

Arson
96479272383616280111858437146451


Use a 1% level of significance to test the claim that there is a monotone-increasing relationship between the ranks of murder and arson.


(a) Rank-order murder using 1 as the largest data value. Also, rank-order arson using 1 as the largest data value. Then construct a table of ranks to be used for a Spearman rank correlation test.





















CityMurder
Rankx
Arson
Ranky

d =x -y

d
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15



































































































































Σd
2 =


please show formula or steps explain your answer





Jun 09, 2022
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