Consider the following time series data. Week 1 3 4 Value 19 12 17 10 18 15 Using the naive method (most recent value) as the forecast for the next week, compute the following. (a) mean absolute error MAE = 6 (b) mean squared error MSE = 39.2 mean absolute percentage error (Round your answer to two decimal places.) MAPE = 48.44 X % (d) What is the forecast for week 7? 15

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
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ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
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Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 4CA
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Please correct my answer for part c
Consider the following time series data.
Week
1
2
3.
4
Value
19
12
17
10
18
15
Using the naive method (most recent value) as the forecast for the next week, compute the following.
(a)
mean absolute error
MAE = 6
(b) mean squared error
MSE = 39.2
(c) mean absolute percentage error (Round your answer to
decimal places.)
MAPE = 48.44
X %
(d) What is the forecast for week 7?
15
Transcribed Image Text:Consider the following time series data. Week 1 2 3. 4 Value 19 12 17 10 18 15 Using the naive method (most recent value) as the forecast for the next week, compute the following. (a) mean absolute error MAE = 6 (b) mean squared error MSE = 39.2 (c) mean absolute percentage error (Round your answer to decimal places.) MAPE = 48.44 X % (d) What is the forecast for week 7? 15
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