# Statistics Assignment | Professional Writing Services

Wal-Mart is the second largest retailer in the world. The data file (WalMart_revenue.xlsx) is included in the Excel data zip file in week one, and it holds monthly data on Wal-Mart’s revenue, along with several possibly related economic variables.

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(a)  Develop a linear regression model to predict Wal-Mart revenue, using CPI as the only independent variable.

(b)  Develop a linear regression model to predict Wal-Mart revenue, using Personal Consumption as the only independent variable.

(c)  Develop a linear regression model to predict Wal-Mart revenue, using Retail Sales Index as the only independent variable.

(d)  Which of these three models is the best? Use R-square value, Significance F values and other appropriate criteria to explain your answer.

Identify and remove the four cases corresponding to December revenue.

(e)  Develop a linear regression model to predict Wal-Mart revenue, using CPI as the only independent variable.

(f)   Develop a linear regression model to predict Wal-Mart revenue, using Personal Consumption as the only independent variable.

(g)  Develop a linear regression model to predict Wal-Mart revenue, using the Retail Sales Index as the only independent variable.

(h)  Which of these three models is the best? Use R-square values and Significance F values to explain your answer.

(i)    Comparing the results of parts (d) and (h), which of these two models is better? Use R-square values, Significance F values and other appropriate criteria to explain your answer.

• Attachment 1
• Attachment 2

Surname 1NameProfessorCourseDateWal-Mart Revenue: Case Study OneWal-Mart is the second-largest retailer in the world. The data file (WalMart_revenue.xlsx) is included in the Excel data zip…

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