Scenario Smart businesses in all industries use data to provide an intuitive analysis of how they can get a competitive advantage. The real estate industry heavily uses linear regression to estimate...

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Scenario


Smart businesses in all industries use data to provide an intuitive analysis of how they can get a competitive advantage. The real estate industry heavily uses linear regression to estimate home prices, as cost of housing is currently the largest expense for most families. Additionally, in order to help new homeowners and home sellers with important decisions, real estate professionals need to go beyond showing property inventory. They need to be well versed in the relationship between price, square footage, build year, location, and so many other factors that can help predict the business environment and provide the best advice to their clients.


Prompt


You have been recently hired as a junior analyst by D.M. Pan Real Estate Company. The sales team has tasked you with preparing a report that examines the relationship between the selling price of properties and their size in square feet. You have been provided with aReal Estate County Datadocument that includes properties sold nationwide in recent years. The team has asked you to select a region, complete an initial analysis, and provide the report to the team.



Note:In the report you prepare for the sales team, the response variable (y) should be the median listing price and the predictor variable (x) should be the median square feet.


Specifically you must address the following rubric criteria, using theModule Two Assignment Template:




  • Generate a Representative Sample of the Data



    • Select a region and generate a simple random sample of 30 from the data.

    • Report the median listing price and median square foot, report the mean, median, and standard deviation.




  • Analyze Your Sample

    • Discuss how the regional sample created is or is not reflective of the national market.



    • Explain how you have made sure that the sample is random.

      • Explain your methods to get a truly random sample.






  • Generate Scatterplot

    • Create a scatterplot of thexandyvariables noted above and include a trend line and the regression equation




  • Observe patterns

    • Answer the following questions based on the scatterplot:

      • Definexandy. Which variable is useful for making predictions?

      • Is there an association betweenxandy? Describe the association you see in the scatter plot.

      • What do you see as the shape (linear or nonlinear)?

      • If you had a 1,200 square foot house, based on the regression equation in the graph, what price would you choose to list at?

      • Do you see any potential outliers in the scatterplot?


        • Why do you think the outliers appeared in the scatterplot you generated?

        • What do they represent?








You can use the following tutorials for support as you develop the report:



Guidelines for Submission


Submit your completed Module Two Assignment Template as a Word document that includes your response and supporting charts.











https://learn.snhu.edu/content/enforced/735799-MAT-240-J5694-OL-TRAD-UG.21EW5/course_documents/MAT%20240%20National%20Statistics%20and%20Graphs.pdf?_&d2lSessionVal=TLKkmOtKszE0TdSdUQwG8bsPf&ou=735799


Answered 4 days AfterMay 13, 2021

Answer To: Scenario Smart businesses in all industries use data to provide an intuitive analysis of how they...

Anu answered on May 17 2021
133 Votes
Generate a Representative Sample of the Data
In business almost industries use data to analyze the behaviour of the variables which will help them to make different policies regarding their business. Most real e
state company utilize regression to see the effect of different variables on house pricing so that, they can help home owners and home seller for important decisions. Data is taken from real estate Company which include the information on region, median listing price, median square foot, state and country. This data have information on 978 houses for different countries in 2019. A random is taken from this data set. Random sample is defined as; each unit of data has equal probability to include in the sample. To maintain this randomness in our sample we utilize excel functions which are given below.
· Select a region and generate a simple random sample of 30 from the data.
This study selects the region randomly from the dataset. To make it random, we gave different numbers corresponding to each category. Then go to the data option in excel sheet and select the data analysis then select sampling with random to find out the region randomly. On this basis we got mountain region to select sample.
We copy and paste the information regarding this region. Now we will generate the random sample of size 30 from this region. Again the same procedure is followed to generate random sample. We move toward data and select the data analysis option after that we choose sampling. Now we will select the median listing price in range and give the size of random sample i.e. 30 after that take corresponding median square foot. Now we have random sample of mountain region having information on median listing price and median square foot.
· Report the median listing price and median square foot, report the mean, median, and standard deviation
Table 1 have the information of descriptive statistic corresponding to median listing price and median square foot.
Table 1: Mean, median and standard deviation corresponding to variables
    Variables
    Mean
    Median
    Standard deviation
    Median listing...
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