Question

In: Statistics and Probability

The data below is the mileage (thousands of miles) and age of your cars as sample....

The data below is the mileage (thousands of miles) and age of your cars as sample.

Year Miles Age

2017    8.5    1

2009 100.3    9

2014   32.7    4

2004 125.0   14

2003 115.0   15

2011   85.5    7

2012   23.1    6

2012   45.0    6

2004 123.0   14

2013   51.2    5

2013 116.0    5

2009 110.0    9

2003 143.0   15

2017   12.0    1

2005 180.0   13

2008 270.0   10

Please include appropriate Minitab Results when important

a. Identify terms in the simple linear regression population model in this context.

b. Obtain a scatter diagram for the sample data. Interpret the scatter diagram.

c. Obtain a scatter diagram with the least squares regression line included. Interpret the intercept and slope in the context of this problem.

d. In theory what ought to be the value of the population model intercept? Explain.

e. What is the informal prediction for what the mileage should be on your car? What is the error in the prediction of the mileage for your car?

f. Use some statistical reasoning to assess whether or not the prediction for the mileage on your car was “accurate”?

g. How would you respond if someone asks “about” how many miles do students drive per year?

Solutions

Expert Solution


Related Solutions

The data below is the mileage (thousands of miles) and age of your cars . Year...
The data below is the mileage (thousands of miles) and age of your cars . Year Miles Age 2017    8.5    1 2009 100.3    9 2014   32.7    4 2004 125.0   14 2003 115.0   15 2011   85.5    7 2012   23.1    6 2012   45.0    6 2004 123.0   14 2013   51.2    5 2013 116.0    5 2009 110.0    9 2003 143.0   15 2017   12.0    1 2005 180.0   13 2008 270.0   10 Please include appropriate Minitab Results when important a. Identify terms in the simple linear...
The data below is the mileage (thousands of miles) and age of your cars . Year...
The data below is the mileage (thousands of miles) and age of your cars . Year Miles Age 2017    8.5    1 2009 100.3    9 2014   32.7    4 2004 125.0   14 2003 115.0   15 2011   85.5    7 2012   23.1    6 2012   45.0    6 2004 123.0   14 2013   51.2    5 2013 116.0    5 2009 110.0    9 2003 143.0   15 2017   12.0    1 2005 180.0   13 2008 270.0   10 Please include appropriate Minitab Results when important a. Identify terms in the simple linear...
1. The data below is the city gas mileage for a sample of hybrid cars, as...
1. The data below is the city gas mileage for a sample of hybrid cars, as reported by the Environmental Protection Agency in 2007. 30, 36, 33, 27, 31, 25, 28, 31, 45 mpg Construct and interpret a 95% confidence interval for the population mean for the miles per gallon of hybrids. You may assume that the population of gas mileage normally distributed with no outliers. Answer the following:                         a What is...
The following data includes the year, make, model, mileage (in thousands of miles) and asking price...
The following data includes the year, make, model, mileage (in thousands of miles) and asking price (in US dollars) for each of 13 used Honda Odyssey minivans. The data was collected from the Web site of the Seattle P-I on April 25, 2005. year make model mileage price 2004 Honda Odyssey EXL   20 26900 2004 Honda Odyssey EX 21 23000 2002 Honda Odyssey 33 17500 2002 Honda Odyssey 41 18999 2001 Honda Odyssey EX 43 17200 2001 Honda Odyssey EX...
Below is a list of gas mileage ratings for selected passenger cars in miles per gallon....
Below is a list of gas mileage ratings for selected passenger cars in miles per gallon. 16.2 20.3 31.5 30.5 21.5 31.9 37.3 27.5 27.2 34.1 35.1 29.5 31.8 22.0 17.0 21.6 Find the mean, standard deviation, five - number summary, IQR, and identify any outliers. Use the five - number summary to sketch a boxplot. What does the boxplot tell you about the distribution of the data? (20 points)
The accompanying data represent the miles per gallon of a random sample of cars with a​...
The accompanying data represent the miles per gallon of a random sample of cars with a​ three-cylinder, 1.0 liter engine. ​(a) Compute the​ z-score corresponding to the individual who obtained 41.4 miles per gallon. Interpret this result. ​(b) Determine the quartiles. ​(c) Compute and interpret the interquartile​ range, IQR. ​(d) Determine the lower and upper fences. Are there any​ outliers? 32.7 34.0 34.7 35.4 36.0 36.2 37.3 37.6 37.7 37.9 38.1 38.5 38.6 39.0 39.2 39.4 39.9 40.7 41.4 41.8...
The accompanying data represent the miles per gallon of a random sample of cars with a​...
The accompanying data represent the miles per gallon of a random sample of cars with a​ three-cylinder, 1.0 liter engine. ​(a) Compute the​ z-score corresponding to the individual who obtained 36.3 miles per gallon. Interpret this result. ​(b) Determine the quartiles. ​(c) Compute and interpret the interquartile​ range, IQR. ​(d) Determine the lower and upper fences. Are there any​ outliers? LOADING... Click the icon to view the data 32.5 35.9 38.0 38.6 39.9 42.4 34.4 36.3 38.1 38.7 40.6 42.7...
The accompanying data represent the miles per gallon of a random sample of cars with a​...
The accompanying data represent the miles per gallon of a random sample of cars with a​ three-cylinder, 1.0 liter engine. ​(a) Compute the​ z-score corresponding to the individual who obtained 38.4 miles per gallon. Interpret this result. ​(b) Determine the quartiles. ​(c) Compute and interpret the interquartile​ range, IQR. ​(d) Determine the lower and upper fences. Are there any​ outliers? 32.5; 35.9; 37.6; 38.6; 40.4; 42.5; 34.0; 36.2; 37.8; 38.9; 40.6; 42.6; 34.7; 37.3; 38.1; 39.4 ;41.3; 43.4; 35.6; 37.4;...
the accompanying data represent the miles per gallon of a random sample of cars with a​...
the accompanying data represent the miles per gallon of a random sample of cars with a​ three-cylinder, 1.0 liter engine. ​(a) compute the​ z-score corresponding to the individual who obtained 38.7 miles per gallon. interpret this result. ​(b) determine the quartiles. ​(c) compute and interpret the interquartile​ range, iqr. ​(d) determine the lower and upper fences. are there any​ outliers?39.939.9 42.442.4 34.634.6 36.336.3 38.138.1 38.938.9 40.540.5 42.842.8 34.734.7 37.537.5 38.338.3 39.439.4 41.441.4 43.643.6 35.235.2 37.637.6 38.538.5 39.739.7 41.641.6 49.049.0
The accompanying data represent the miles per gallon of a random sample of cars with a​...
The accompanying data represent the miles per gallon of a random sample of cars with a​ three-cylinder, 1.0 liter engine. ​(a) Compute the​ z-score corresponding to the individual who obtained 39.839.8 miles per gallon. Interpret this result. ​(b) Determine the quartiles. ​(c) Compute and interpret the interquartile​ range, IQR. ​(d) Determine the lower and upper fences. Are there any​ outliers? 32.4 34.1 34.5 35.7 36.1 36.3 37.5 37.7 37.9 38.1 38.3 38.5 38.7 39.1 39.5 39.8 39.9 40.6 41.3 41.6...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT