You may need to use the appropriate technology to answer this question. The U.S. Environmental Protection Agency (EPA) m

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You May Need To Use The Appropriate Technology To Answer This Question The U S Environmental Protection Agency Epa M 1 (111.67 KiB) Viewed 11 times

You may need to use the appropriate technology to answer this question. The U.S. Environmental Protection Agency (EPA) monitors levels of pollutants in the air for cities across the country. Ozone pollution levels are measured using a 500 point scale; lower scores indicate little health risk, and higher scores indicate greater health risk. Suppose the following data show the peak levels of ozone pollution in four cities for 10 dates from last year. Date Jan 9 ⒸH₂i H₁ Jan 17 Jan 18 Jan 31 Feb 1 Feb 6 Feb 14 Feb 17 Feb 20 Feb 29 City 1 City 2 City 3 21 31 18 H₂H₁ H₂ 23 19 29 26 26 Submit Answer 31 32 33 19 H₂ H3 + H₂ H3 = HA 25 36 31 31 24 Need Help? Read It 31 35 City 42 18 22 22 28 28 31 19 O Ho: Not all the population means are equal. Hai H₁ H₂ H3 H4 28 35 42 Ho: H₂ = H₂ H3 = μ₁ H: Not all the population means are equal. City 4 14 30 21 35 Use a = 0.05 to test for any significant difference in the mean peak ozone levels among the four cities. State the null and alternative hypotheses. O Ho: At least two of the population means are equal. H: At least two of the population means are different. 25 25 25 28 34 21 ⒸH₂ H₁ H₂ H3 H4 Hai My * H₂ * Hz * HA Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) p-value = State your conclusion. O Do not reject Ho. There is not sufficient evidence to conclude that there is a significant difference in the mean peak ozone level among the four cities. O Reject Ho. There is sufficient evidence to conclude that there is a significant difference in the mean peak ozone level among the four cities. O Reject H. There is not sufficient evidence to conclude that there is a significant difference in the mean peak ozone level among the four cities O Do not reject Ho. There is sufficient evidence to conclude that there is a significant difference in the mean peak ozone level among the four cities. View Previous Question Question 20 of 20 Home My Assignments Copyright © 1998-2022 Cengage Learning, Inc. All Rights Reserved | TERMS OF USE PRIVACY