ALL QUESTIONS ARE COMPULSORY| 1. A random sample of eight drivers insured with a company and having similar auto insurance policies was selected. The following table lists their driving experiences...

ALL QUESTIONS ARE COMPULSORY|<br>1. A random sample of eight drivers insured with a company and having similar<br>auto insurance policies was selected. The following table lists their driving<br>experiences (in years) and monthly auto insurance premiums.<br>Driving<br>Experience<br>(X): 5<br>2<br>14<br>19<br>15<br>6 25<br>16<br>Monthly Auto (Y) : 64<br>87<br>55<br>71<br>30<br>56<br>42<br>60<br>Insurance Premium<br>a.<br>Find the least squares regression line.<br>b.<br>Compute the standard deviation of erors.<br>с.<br>Test at 10% significance level whether 60 is positive.<br>d.<br>Using a = .05, test whether pis positive.<br>

Extracted text: ALL QUESTIONS ARE COMPULSORY| 1. A random sample of eight drivers insured with a company and having similar auto insurance policies was selected. The following table lists their driving experiences (in years) and monthly auto insurance premiums. Driving Experience (X): 5 2 14 19 15 6 25 16 Monthly Auto (Y) : 64 87 55 71 30 56 42 60 Insurance Premium a. Find the least squares regression line. b. Compute the standard deviation of erors. с. Test at 10% significance level whether 60 is positive. d. Using a = .05, test whether pis positive.

Jun 07, 2022

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ALL QUESTIONS ARE COMPULSORY| 1. A random sample of eight drivers insured with a company and having similar auto insurance policies was selected. The following table lists their driving experiences...

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