Question

Richard Jackson developed an ergonomically superior computer mouse in 1989, and sales have been increasing over since. Data are presented below in terms of thousands of mice sold per year.

Year 1989 1990 1991 1992 1993 1994 1995 1996

Number sold 82.4 125.7 276.9 342.5 543.6 691.5 782.4 889.5



a) Fit an equation of linear trend to the given Time series.

I. Calculate Trend values.

II. Estimate the trend value for the year 2005.

III. Plot the given data and Trend values on the same graph paper.



b) Fit an equation of Quadratic trend to the given Time series.

I. Calculate Trend values.

II. Estimate the trend value for the year 2005.

III. Plot the given data and Trend values on the same graph paper.




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Answer 1

Answer:

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Step-by-step explanation:

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