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In a study of the role of young drivers in automobile accidents, data on the percentage...

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Statistics

In a study of the role of young drivers in automobile accidents,data on the percentage of licensed drivers under the age of 21 andthe number of fatal accidents per 1000 licenses were determined for32 cities. The first column contains a number as city code, thesecond column contains the percentage of drivers who are under 21,and the third column contains the number of fatal accidents isdependent upon the proportion of licensed drivers that are under21.

Use 30 degrees of freedom, and alpha as 0.01 to get a criticalvalue of 1.697)

16. What is the margin of error for calculating a 90% intervalfor the slope of the true regression line? (i.e. 1.697 by thestandard deviation of the slope

17. What is the lower 90% confidence limit for the slope?

18. What is the upper 90% confidence limit of the slope?

19. What is the value of the test statistic for testing thishypothesis?

1112.352
2153.392
3112.488

4

172.707
5152.739
6153.51
7183.867
8141.679
980.65
1080.965
11183.447
1290.23
1350
14111.477
15142.378
16101.458
17162.568
18163.018
1981.229
20141.474
2181.415
22203.796
23151.971
2480.467
25101.526
26110.676
27152.526
2891.311
2950.223
30132.989
318

1.107

32120.401

Answer & Explanation Solved by verified expert
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