Consider the following time series data: Week 1 3 4 Value 16 18 25 15 16 19 Using the average of all the historical data as a forecast for the next period, compute the following measures of forecast accuracy: a. mean absolute error = b. mean squared error = c. mean absolute percentage error

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
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I need some help on the following problems on excel. Thank you

Consider the following time series data:
Week
1
2
3
4
5
Value
16
18
25
15
16
19
Using the average of all the historical data as a forecast for the next period, compute the following measures of forecast accuracy:
a. mean absolute error =
b. mean squared error =
c. mean absolute percentage error =
d. What is the forecast for Week 7?
Transcribed Image Text:Consider the following time series data: Week 1 2 3 4 5 Value 16 18 25 15 16 19 Using the average of all the historical data as a forecast for the next period, compute the following measures of forecast accuracy: a. mean absolute error = b. mean squared error = c. mean absolute percentage error = d. What is the forecast for Week 7?
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