Purchase Solution

Time series analysis

Not what you're looking for?

Ask Custom Question

See the attached file for full problem.
The number of employees, in thousands, of Keller Overhead Door, Inc. for the years 1998 to 2003 are:

Year Employees Year Employees
1998 45.6 2001 39.3
1999 42.2 2002 34.0
2000 41.1 2003 30.0

a. Plot the data.
b. Determine the least squares trend equation.
c. Use the trend equation to calculate the points for 2000 and 2002. Plot them on the graph and draw the regression line.
d. Estimate the number of employees in 2006.
e. By how much has the number of employees increased (or decreased) per year on the average during the period?

Attachments
Purchase this Solution

Solution Summary

The solution provides detailed steps for the trend estimation for number of employees are given in the solution (see attachments - including scatter diagrams and tables).

Purchase this Solution


Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

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.

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.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.