TrendLinesCaseStudy (4)

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Brigham Young University, Idaho *

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108X

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Management

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Apr 3, 2024

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xlsx

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18

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MATH108X - Trend Lines Case Study #1 #2 #3 #4 #5 Project Goal : To learn how trend lines can be used as a powerful tool in the Quantitative Reasoning Process. Begin by selecting a scenario that will use a scatterplot and trend line as the mathematical tool to make an informed decision. (Remember that we are looking for numerical/quantitative data where the scatterplot and trendline would show the relationship of an input and output variable). You may use the examples as a guide, but it is preferred that you use creativity to choose a scenario that is useful in your real world. As best you can, list the key variables and assumptions you will be making in order to eventually make your informed decision. You should have exactly two key variables, an input variable and an output variable. Collect data (at least 15 points), report your source(s), make a scatterplot, and fit an appropriate trend line to the data in order to make your informed decision. Be sure to state which trendline best fits your data using the box provided and record your equation. Make an informed decision using your scatterplot and trend line you created in Step 3. Write about your decision. Include a prediction you made using the trendline equation. Ensure your decision is well supported by your data and trend line. Share your idea and data with at least two other people. Get feedback from them and mprove your project accordingly. Complete the Quantitative Reasoning Process by writing a short paragraph that details any changes you made after your reviewers helped you to evaluate your data and reasoning.
B List your Scenario: Write the background o Trying to figure out if how mu mileage
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Background Story selling a car List you Inp of your scenario and the goals of your study. Out List you 1. the higher 2. lower amo 3. there will b uch I should sell my 2015 Honda Accord based o.n the
ur key variables put Variable thousand miles tput Variable price ur key assumptions r the amount of miles traveled the more cheeper the car ount of miles traved the more expensive the car be some outliers
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List the source(s) of your data and a short explaination of how you gathe Insert a scatterplot of your data here. List your data (a Input Variable thousand miles 162.32 119.218 162.431 74.466 122 103.385 107.355 132.635 185 15.022 98.175 https://www.carfax.com/Used-2015-Honda-Accord_z1883 I put in 2015 Honda Accord and took the milleage and price from each listing. 0 20 40 60 80 100 120 140 160 180 200 $- $2,000.00 $4,000.00 $6,000.00 $8,000.00 $10,000.00 $12,000.00 $14,000.00 $16,000.00 $18,000.00 $20,000.00 Car Price Based on Mileage Mileage in thousands Price
64 170.43 81.395 Select your trendline of best fit 95.703 Linear <-- Dropdown 75.12 Linear 120.729 Record your trendline equation 63.729 y=-45.5x+17885 68.722 38.769 55.255 Linear 135.507 Exponential Quadratic
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ered it. at least 15 points) Output Variable price $ 9,990.00 $ 12,995.00 $ 9,500.00 $ 14,796.00 $ 11,300.00 $ 15,780.00 $ 12,795.00 $ 11,898.00 $ 8,884.00 $ 17,132.00 $ 14,500.00 Write a short paragraph (4-5 sentences) t reached based on your data and trendlin prediction that comes from plugging your equation Generally the price goes down based on how many mil in my assumtions. I am not terribly suprised. Though th but then I rembered that these are not all in prestine co
$ 11,500.00 $ 10,500.00 $ 10,900.00 $ 13,995.00 $ 15,566.00 $ 13,495.00 $ 15,400.00 $ 15,998.00 $ 17,998.00 $ 13,500.00 $ 12,499.00 Hint
Winter 2024
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Name of Reviewer 1: Name of Reviewer 2: that states the decision you have ne in Step 3. Be sure to include a own input value into the trendline n. Show your project to two accordingly. Write a short paragraph (4-6 reviewers and any chan I actually did it wrong in the beginn together and my friend Callihan poi assignment. But when I redid it and les the car has traveled. I predicted as such he lower end outlires were strange at first onditions.
Kate Cogbill Callihan Herbster other people. Get feedback from them. Improve sentences) sharing the feedback you got from your nges you made to your case study as a result. ning. I had different years or the cars and the millages very close inted it out to me. So I ended up haveing to redo this d showed it to both of them they said it looks great.
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Scenarios for Selection (Click here to select a scenario.) Community Issues Nutrition and Exercise Predicting the Weather Buying / Selling a Car Buying / Selling a Couch
In three words or less, name the item you are purchasing: In three words or less, name the item you are selling:
1
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