The president of the American Insurance Institute wants to compare the yearly costs of auto insurance offered by two leading companies. He selects a sample of 15 families, some with only a single insured driver, others with several teenage drivers, and pays each family a stipend to contact the two companies and ask for a price quote. To make the data comparable, certain features, such as the deductible amount and limits of liability, are standardized. The data for the sample of families and their two insurance quotes are reported below. At the 0.10 significance level, can we conclude that there is a difference in the amounts quoted? Hint: For the calculations, assume the "Midstates Car Insurance" as the first sample. Midstates Car Gecko Mutual Family Insurance Insurance Becker $ 2,090 $ 1,610 Berry 1,683 1,247 Cobb 1,402 2,327 Debuck 1,830 1,367 DuBrul 930 1,461 Eckroate 697 1,789 German 1,741 1,621 Glasson 1,129 1,914 King 1,018 1,956 Kucic 1,881 1,772 Meredith 1,571 1,375 Obeid 874 1,527 Price 1,579 1,767 Phillips 1,577 1,636 Tresize 860 1,188 State the decision rule for 0.10 significance level: H0: μd = 0 H1: μd ≠ 0. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.) 2. Compute the test statistic. (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)

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Description: The president of the American Insurance Institute wants to compare the yearly costs of auto insurance offered by two leading companies. He selects a sample of 15 families, some with only a single insured driver, others with several teenage drivers, a

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.2: Representing Data

Problem 22PFA

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The president of the American Insurance Institute wants to compare the yearly costs of auto insurance offered by two leading companies. He selects a sample of 15 families, some with only a single insured driver, others with several teenage drivers, and pays each family a stipend to contact the two companies and ask for a price quote. To make the data comparable, certain features, such as the deductible amount and limits of liability, are standardized. The data for the sample of families and their two insurance quotes are reported below.

At the 0.10 significance level, can we conclude that there is a difference in the amounts quoted? Hint: For the calculations, assume the "Midstates Car Insurance" as the first sample.

	Midstates Car		Gecko Mutual
Family	Insurance		Insurance
Becker	$	2,090		$	1,610
Berry		1,683			1,247
Cobb		1,402			2,327
Debuck		1,830			1,367
DuBrul		930			1,461
Eckroate		697			1,789
German		1,741			1,621
Glasson		1,129			1,914
King		1,018			1,956
Kucic		1,881			1,772
Meredith		1,571			1,375
Obeid		874			1,527
Price		1,579			1,767
Phillips		1,577			1,636
Tresize		860			1,188

State the decision rule for 0.10 significance level: H₀: μ_d = 0 H₁: μ_d ≠ 0. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.)

2. Compute the test statistic. (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)

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