Use the data from question 27 of Chap. 13 to compute the standard errors of a and

b. Construct a 95 % confidence interval for both a and b.

Question 27 of Chap. 13

Suppose you are a safety consultant for the Department of Transportation. You are interested in the relationship between the number of miles a trucker drives per year and the number of accidents he or she has per year. You collect the following information from 6 truckers.

(a) Draw a scatter diagram showing the relationship between miles driven and number of accidents.

(b) Is there a direct or an inverse relationship between miles driven and number of accidents?

Transcribed Image Text:

Trucker 1 2 23 3 4 5 56 Miles driven 90,000 119,000 87,000 135,000 150,000 92,000 Accidents 3 weaNAW 4 2 6 5 3