Mileage of Leased Chevrolet Impalas (n = 21) Mileage 40,016 Data in block format: 44,520 40,016 24,914 14,312 17,335 44,738 20,204 35,856 24,914 33,325 24,275 41,734 58,374 25,771 28,959 14,312 31,897 25,052 43,389 23,981 43,541 53,690 36,795 17,335 44,738 44,520 20,204 33,325 24,275 41,734 58,374 35,856 25,771 28,959 25,052 43,389 23,981 43,541 53,690 31,897 36,795
Mileage of Leased Chevrolet Impalas (n = 21) Mileage 40,016 Data in block format: 44,520 40,016 24,914 14,312 17,335 44,738 20,204 35,856 24,914 33,325 24,275 41,734 58,374 25,771 28,959 14,312 31,897 25,052 43,389 23,981 43,541 53,690 36,795 17,335 44,738 44,520 20,204 33,325 24,275 41,734 58,374 35,856 25,771 28,959 25,052 43,389 23,981 43,541 53,690 31,897 36,795
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter6: Polynomials
Section6.7: Integer Exponents And Scientific Notation
Problem 6.211TI: Multiply (3106)(2108) . Write answers in decimal form.
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Question
a) Is the dealer's mean significantly greater than the national average of 30,043 miles for 2-year leases? Using the 10 percent level of significance, choose the appropriate hypothesis.
- H0: μ ≤ 30,043 miles vs. H1: μ > 30,043 miles, reject H0 if tcalc > 1.3250
- H0: μ ≥ 30,043 miles vs. H1: μ > 30,043 miles, reject H0 if tcalc > 1.3250
- H0: μ ≤ 30,043 miles vs. H1: μ < 30,043 miles, reject H0 if tcalc > 1.3250
- H1: μ ≤ 30,043 miles vs. H0: μ > 30,043 miles, reject H0 if tcalc > 1.3250
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d
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a
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b
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c
(b) Calculate the test statistic. (Round your answer to 2 decimal places.)
Test statistic ________
(c) The dealer's cars show a significantly greater mean number of miles than the national average at the 10 percent level.
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No
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Yes
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