Question

In: Statistics and Probability

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 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

Answer to each part of the question with explanations. Please write back to me in case you don't understand any part of it:


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 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...
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)
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...
Used Cars - Actual Data: Below are the scatterplots, regression equations, and corresponding statistics for mileage,...
Used Cars - Actual Data: Below are the scatterplots, regression equations, and corresponding statistics for mileage, model year, and price for 15 different Honda Civics found on craigslist in May 2012.           Mileage -vs- Price: x = Mileage (in thousands of miles) y = Price (in dollars) correlation coefficient: r = −0.880 regression equation: ŷ = −75.50x + 15,553.6 sample size: n = 15           Model Year -vs- Price: x = Model Year y = Price (in dollars) correlation coefficient:...
Twenty-five different cars were​ tested, and their weights​ (in pounds) and mileage​ (miles per​ gallon) were...
Twenty-five different cars were​ tested, and their weights​ (in pounds) and mileage​ (miles per​ gallon) were measured. The regression of mileage on weight has the MINITAB regression output shown below. Answer parts ​a-d. Predictor Coef SE Coef T P Constant 49.01549.015 2.5492.549 19.22919.229 0.000 Weight negative 0.006672−0.006672 0.00078890.0007889 negative 8.457−8.457 0.000 For the prediction equation determine the value of the​ y-intercept and the slope? Interpret the slope in terms of a​ 1000-pound increase in the vehicle weight? Interpret the​ y-intercept?
The data provided give the gasoline mileage​ (in miles per​ gallon) based on the horsepower of...
The data provided give the gasoline mileage​ (in miles per​ gallon) based on the horsepower of a​ car's engine and the weight of the car​ (in pounds). Using the data​ provided, determine the VIF for each independent variable in the model. Is there reason to suspect the existence of​ collinearity? Determine the VIF for each independent variable in the model. MPG Horsepower Weight 15.8 185 4,758 19.7 106 3,534 20.3 141 3,220 18.8 172 4,466 17.3 166 4,293 27.5 75...
The following data give the odometer mileage (rounded to the nearest thousand miles) for all 20...
The following data give the odometer mileage (rounded to the nearest thousand miles) for all 20 cars that are for sale at a dealership. 61 88 58 83 71 40 27 38 52 43 27 40 90 43 95 35 28 47 88 76 a. Calculate the values of the three quartiles and the interquartile range. Q1 = Q2 = Q3 = IQR = b. Find the approximate value of the 19th percentile. c. Calculate the percentile rank of 71....
The table below shows the number of hybrid cars sold (in thousands) in the US in...
The table below shows the number of hybrid cars sold (in thousands) in the US in the following years.                                                          * Source: Wikipedia Year Hybrid cars sold in US (in thousands) 2000 9.35 2002 36.04 2004 84.20 2007 352.27 2010 274.21 2014 452.15 Find an exponential regression equation for the data. Let x = 0 represent the year 2000. Round a to two decimal places, and round b to four decimal places. Describe what a and b tell you from your...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT