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Answer questions and solve problems involving the last three steps of a hypothesis test: calculating a test statistic (step three), calculating the p-value (step four), and finally, making the correct conclusion (step five).
-A car dealer states that a new brand of car gets 35 miles per gallon on average. Suppose a consumer group claims that these cars get less than 35 miles per gallon. A sample of 40 cars is selected, and the sample mean for the 40 cars is 33 miles per gallon while the sample standard deviation is 3.8.
-Have the assumptions for this test been met? Why or why not?
-State the null and alternative hypotheses for this test.
-Calculate the test statistic for this test. Explain what this test statistic represents
-Use technology to calculate the p-value for this test. Explain what this p-value represents.
-State the conclusion for this test at the 0.05 level of significance. Do you think the car dealer is telling the truth? Why or why not?
If there is a negative dependent variable of -0.55, and independent variables Y1 of +0.75 and Y2 of -3.0, how do I interpret the relationships according to the signs?
The heights of young women are approximately normal with mean 65 inches and standard deviation 2.5 inches.
Develop a schedule for hiring new CSAs.What is the total cost of this schedule and Discuss any limitations that exist for this solution.
What are the forward price and the value of the forward contract?
Using two uniform sections in torsional vibration, describe the finite element relation-ship to the 2-DOF lumped-mass torsional system.
Your instructor will now provide the data from all teams. Using a graphing calculator or computer, construct dot plots of the sample proportions for each.
The Simple Random Sample applet allows you to randomly assign experimental units to more than two groups without difficulty.
Construct the 98% confidence interval for the population mean casting weight.
1. Define organizational communication 2. What interesting about the subject of organizational communication
A surgical technique is performed on eight patients. You are told that there is an 80% chance of success.
Seventy new jobs are opening up at an automobile manufacturing plant
ten voters are randomly selected and asked if they will vote for the incumbent president. five said yes and three said
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