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Choosing an appropriate value of the smoothing constant α is a key decision when applying the exponential smoothing method. When relevant historical data exist, one approach to making this decision is to apply the method retrospectively to these data with different values of α and then choose the value of α that gives the smallest MAD. Use this approach for choosing α with each of the following time series representing monthly sales. In each case, use an initial estimate of 50 and compare α = 0.1, 0.2, 0.3, 0.4, and 0.5.
(a) 51 48 52 49 53 49 48 51 50 49
(b) 52 50 53 51 52 48 52 53 49 52
(c) 50 52 51 55 53 56 52 55 54 53
a horizontal pipe is 100 m long with a diameter of 0.6 m. the pipe carries a steady flow of water of 0.5 m3s. the gage
Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs and determined the number of miles traveled during the year followed the normal distribution.
The volume of milk in a jug of milk is 128 oz. The value 128 is from a discrete data set.
Prepare a critical analysis of a quantitative study focusing on protection of human participants, data collection, data management and analysis, problem statement, and interpretation of findings.
What types of transportation challenges must organizations take into account when considering global sourcing?
If not what would be a better testing strategy? Could you form a Null Hypothesis or an Alternative Hypothesis? If yes, what would they be.
Can you provide another explanation for this one: Zc/Tc for 86% confidence interval when the sample size 50?
the average weight of adult male bison in a particular federal wildlife preserve is 1550 pounds with a standard
the only fruit shop received a shipment of fruit and they would like to estimate the percentage of fruit which meets
What is the probability that the number of granite specimen selected for analysis is within 1 standard deviation of its mean value
1,500 are involved in the work-study program. Write a 150- to 200-word response for each of the five parts in the question. In each of your responses, provide rationale to support your decisions.
Which probability distribution is suitable when sampling without replacement?
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