# Question

The sales by Walker’s Milk and Dairy Products in millions of dollars for the period from 2007 to 2013 are reported in the following table.

Determine the least squares regression trend equation. Estimate the sales for2015.

Determine the least squares regression trend equation. Estimate the sales for2015.

## Answer to relevant Questions

Sally’s Software Inc. is a rapidly growing supplier of computer software to the Sarasota area. Sales for the last 5 years, 2009 to 2013, are given below. Sales Year ($ millions)2009 ......... 1.12010 ...Refer to Exercise 10, regarding sales at Appliance Center. Use the seasonal indexes you computed to determine the deseasonalized sales. Determine the linear trend equation based on the quarterly data for the 4 years. ...If plotted, the following sales series would appear curvilinear. This indicates that sales are increasing at a somewhat constant annual rate (percent). To fit the sales, therefore, a logarithmic equation should be used.a. ...The following is the number of retirees receiving benefits from the State Teachers Retirement System of Ohio from 1991 until 2012.a. Plot the data.b. Determine the least squares trend equation. Use a linear equation.c. ...Refer to the following diagram.a. Estimate the linear trend equation for the production series by drawing a straight line through the data.b. What is the average annual decrease in production?c. Based on the trend equation, ...Post your question

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