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The weight of a car can influence the mileage that the car can obtain. A random sample of 19 cars was taken and the weight
The weight of a car can influence the mileage that the car can obtain. A random sample of 19 cars was taken and the weight (in pounds) and mileage (in mpg) were recorded and are in the table below. Test at the 10% level for a negative correlation between weight and mileage of cars. weight mileage 5500 13.2 2500 40.9 3000 32.2 3000 31.4 2250 38.9 3500 31.3 4000 23.6 4500 19.5 3500 28 4500 17.2 2750 36.3 2750 46.9 4000 23.4 3500 32.6 4500 17 3000 32.2 2250 53.3 2250 41.1 3500 31.3 P: Parameter What is the correct parameter symbol and wording in context? r = the linear correlation between weight and mileage for 19 randomly selected cars v H: Hypotheses Ho: Y HA : PN: Name the test The conditions are met to use a 2-Proportion Z-Test v T: Test Statistic . The symbol and value of the random variable on this problem are as follows. . Round your answers to 4 decimal places if needed. Y . The formula set up of the test statistic is as follows. . Round initial values to 4 decimal places: -2)) (1- (7)2) . Final answer from technology to 2 decimal places: O: Obtain the P-value Report the final answer to 4 decimal places. It is possible when rounded that a p-value is 0.0000 P-value = M: Make a decision . Since the p-value
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