Chapter 12- Assignment Lab) Saved Help Save i The postal service sorts mail as Prionity Mail Express, Priority Mail, First-Class Mail, or Standard Mail. Over a period of 3 weeks, 18 af each type were mailed from the Network Distribution Center in Atlanta, Georgia, to Des Moines, lowa. The total delivery time in days was recorded. Minitab was used to perform the ANOVA The resuits follow Factor Error Total 2.82 0.94 3.48 0.021 33.34 68 18.44 .27 71 21.26 ekLevel N Rean StDev 18 2.880 -402 18 2.838 .653 3.084 .549 18 3.337 .442 Priority Mail Express Priority Mail First-class Mai1 Standard Mail Using the ANOVA results, compare the average delivery times of the four different types of mail 1 Identify the null hypothesis and the alternate hypothesis Null hypothesis Chapter 12- Assignment (Lab) Help 3 2. Alternate hypothesis 33.34 points H: At least one mean is different H: All means are equal. eBook 3. What is the decision rule? Use the 005 significance level (Round your answer to 2 decimal places.) HO 6 4. Use the 0.05 significance level to test if this evidence suggests a difference in the means for the different types of mail. 4. Use the 005 significance level to test if this evidence suggests a difference in the means for the different types of mail. 15 chp.13 chp.13 Chapter 13 Assignment (Lab) Help Save & Exit Sub The owner of Maumee Ford-Volvo wants to study the relationship between the age of a car and its selling price Listed below is a random sample of 12 used cars sold at the dealership during the last year 2 Age Selling Price ($000) 11.6 20. 3.2 3.7 7-0 12.5 12 33.33 8-4 13 12 15 10 12 7.3 a. Determine the regression equation. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal 2 b. Estimate the selling price of an 8-year-old car (in $000). (Round your answer to 3 decimal places.) 33.33 c. Interpret the regression equation (in dollars). (Round your answer to the nearest dollar amount.) please answer both questions!lthank you very much, will thumbs up Show transcribed image text Chapter 12- Assignment Lab) Saved Help Save i The postal service sorts mail as Prionity Mail Express, Priority Mail, First-Class Mail, or Standard Mail. Over a period of 3 weeks, 18 af each type were mailed from the Network Distribution Center in Atlanta, Georgia, to Des Moines, lowa. The total delivery time in days was recorded. Minitab was used to perform the ANOVA The resuits follow Factor Error Total 2.82 0.94 3.48 0.021 33.34 68 18.44 .27 71 21.26 ekLevel N Rean StDev 18 2.880 -402 18 2.838 .653 3.084 .549 18 3.337 .442 Priority Mail Express Priority Mail First-class Mai1 Standard Mail Using the ANOVA results, compare the average delivery times of the four different types of mail 1 Identify the null hypothesis and the alternate hypothesis Null hypothesis Chapter 12- Assignment (Lab) Help 3 2. Alternate hypothesis 33.34 points H: At least one mean is different H: All means are equal. eBook 3. What is the decision rule? Use the 005 significance level (Round your answer to 2 decimal places.) HO 6 4. Use the 0.05 significance level to test if this evidence suggests a difference in the means for the different types of mail. 4. Use the 005 significance level to test if this evidence suggests a difference in the means for the different types of mail. 15 chp.13 chp.13 Chapter 13 Assignment (Lab) Help Save & Exit Sub The owner of Maumee Ford-Volvo wants to study the relationship between the age of a car and its selling price Listed below is a random sample of 12 used cars sold at the dealership during the last year 2 Age Selling Price ($000) 11.6 20. 3.2 3.7 7-0 12.5 12 33.33 8-4 13 12 15 10 12 7.3 a. Determine the regression equation. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal 2 b. Estimate the selling price of an 8-year-old car (in $000). (Round your answer to 3 decimal places.) 33.33 c. Interpret the regression equation (in dollars). (Round your answer to the nearest dollar amount.) please answer both questions!lthank you very much, will thumbs up Show transcribed image text
