LocalFood, a company delivers food around your area, records its drivers' trips. They want to predict how much time it takes to finish the trip given number of miles, number of deliveries, and the area where customers live for future planning. AssignmentMilesDeliveriesAreaTime1100.04.0Rural9.3250.03.0Rural4.83100.04.0Rural8.94100.02.0Rural6.5550.02.0Rural4.2680.02.0Rural6.2775.03.0Urban7.4865.04.0Rural6.0990.03.0Rural7.61090.02.0Rural6.11150.05.0Urban7.01245.06.0Rural7.01385.05.0Urban9.61465.02.0Urban6.51540.06.0Urban7.21650.03.0Urban6.01775.05.0Urban9.91875.04.0Urban8.61965.03.0Rural4.92090.03.0Rural7.52. On average, if a customer lives in an urban area, how much longer/shorter in time that LocalFood takes to finish the trip than when that customer lives in the rural area?1. Predict the time the trip takes when a customer lives in Rural area, the number of deliveries are 4, and the number of miles are 85. Keep two decimal points.For example, if the trip is 3.25 unit longer, put in 3.25 for the answer. If the trip is 3.25 unit shorter, put in -3.25 for the answer.

To predict the time the trip takes for a customer living in a rural area, with 4 deliveries and 85…

Answered: LocalFood, a company delivers food…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

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LocalFood, a company delivers food around your area, records its drivers' trips. They want to predict how much time it takes to finish the trip given number of miles, number of deliveries, and the area where customers live for future planning.

Assignment	Miles	Deliveries	Area	Time
1	100.0	4.0	Rural	9.3
2	50.0	3.0	Rural	4.8
3	100.0	4.0	Rural	8.9
4	100.0	2.0	Rural	6.5
5	50.0	2.0	Rural	4.2
6	80.0	2.0	Rural	6.2
7	75.0	3.0	Urban	7.4
8	65.0	4.0	Rural	6.0
9	90.0	3.0	Rural	7.6
10	90.0	2.0	Rural	6.1
11	50.0	5.0	Urban	7.0
12	45.0	6.0	Rural	7.0
13	85.0	5.0	Urban	9.6
14	65.0	2.0	Urban	6.5
15	40.0	6.0	Urban	7.2
16	50.0	3.0	Urban	6.0
17	75.0	5.0	Urban	9.9
18	75.0	4.0	Urban	8.6
19	65.0	3.0	Rural	4.9
20	90.0	3.0	Rural	7.5

2. On average, if a customer lives in an urban area, how much longer/shorter in time that LocalFood takes to finish the trip than when that customer lives in the rural area?

1. Predict the time the trip takes when a customer lives in Rural area, the number of deliveries are 4, and the number of miles are 85. Keep two decimal points.

For example, if the trip is 3.25 unit longer, put in 3.25 for the answer. If the trip is 3.25 unit shorter, put in -3.25 for the answer.

Expert Solution

Step 1: Explanation

To predict the time the trip takes for a customer living in a rural area, with 4 deliveries and 85 miles, we can use a linear regression model. This model will use the Miles, Deliveries, and Area features as inputs, and the Time as the target variable. The model will estimate the coefficients that minimize the mean squared error between the predictions and the actual values. To predict the time the trip takes, a simple linear regression model could be used. This model will take into account the relationship between the independent variables (miles, deliveries, and area) and the dependent variable (time). A linear regression model can be trained using the data provided, and then used to make a prediction for the given scenario. To keep the result to two decimal points, the result can be rounded.

Once the coefficients are estimated, we can use them to make predictions for new data. For example, with Miles=85, Deliveries=4, and Area=Rural, the prediction would be:

Time = coefficient_of_Miles * Miles + coefficient_of_Deliveries * Deliveries + coefficient_of_Area * Area

To answer the second question, we can calculate the average difference in time between trips in rural and urban areas. This can be done by subtracting the average time for rural areas from the average time for urban areas. If the result is positive, it means that on average, it takes longer to finish the trip in an urban area compared to a rural area. If the result is negative, it means that on average, it takes shorter to finish the trip in an urban area compared to a rural area. To find out on average how much longer or shorter the trip takes when the customer lives in an urban area, we can compare the average trip time for urban and rural areas. To get the average trip time for each area, we can sum up the time for all trips in each area and divide by the number of trips in that area. The difference between the two averages will give us the answer.

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