Loose Leaf for Statistical Techniques in Business and Economics
Loose Leaf for Statistical Techniques in Business and Economics
17th Edition
ISBN: 9781260152647
Author: Douglas A. Lind
Publisher: McGraw-Hill Education
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Chapter 18, Problem 7E

a.

To determine

Determine the logarithmic trend equation.

b.

To determine

Find the average percentage of increase in sales during the period.

c.

To determine

Estimate the sales for the year 2020.

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Siena Ltd attempts to find the trend of its sales over the past five years. Siena is considering which model that best represent the trends of its sales. Following are the result of linear and exponential model trend analysis:  a. Calculate the MSE and MAD for the linear trend model  b. Calculate the MSE and MAD for the exponential trend model  c. Which model that performs better
Find the MSE in part (b) please.
New policies cause the crime rate to lower by 21% per year. Give the growth factor. Assume time is measured in years. The growth factor is
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