Predicting sales using linear regression line estimation
Not what you're looking for?
ACT Networks, Inc. develops, markets, manufactures, and sells integrated wide-area network access products. The following are annual sales data (in millions of dollars) from 2002 to 2007. Based on this data develop a linear trend equation for this time series. What is the firm's average increase in sales per year? Provide a forecast for sales for 2008.
Year Sales
(t) (Y)
1 5.4
2 6.2
3 12.7
4 20.6
5 28.4
6 44.9
Purchase this Solution
Solution Summary
Solution describes the steps in findind linear trend line using least square method. It also how linear estimated line can be used to forcast sales.
Solution Preview
Please see the attached file for complete solution. Work done with the help of equation writer and graph may not print here.
Solution
Year Sales
X (Y) X^2 Y^2 XY
1 5.4 1 29.16 5.4
2 6.2 4 38.44 12.4
3 ...
Education
- BEng (Hons) , Birla Institute of Technology and Science, India
- MSc (Hons) , Birla Institute of Technology and Science, India
Recent Feedback
- "Thank you"
- "Really great step by step solution"
- "I had tried another service before Brain Mass and they pale in comparison. This was perfect."
- "Thanks Again! This is totally a great service!"
- "Thank you so much for your help!"
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.