1.) using a naive method, what is the forecast for period 4?

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Period 1 2 3 4

Demand 22 26 20 ?

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a. 22

b. 25

c. 20

d. 26

2.) Data can be categorized in four major ways. Which one does NOT belong here?

a.) categorical

b.) ordinal

c.) discrete

d.) interval

e.) ratio

3) Temporary (such as 10F, 34F, etc.) is

a.) Categorical data

b.) ordinal data

c.) Interval data

d.) ratio data