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Quantitative Methods (STAT-201 Q5 Given the following gasoline data: Quarter Year 1 Year 2 1 95...

Quantitative Methods (STAT-201

Q5 Given the following gasoline data:

Quarter

Year 1

Year 2

1

95

105

2

85

95

3

105

115

4

100

120

a. Compute the seasonal index for each quarter.

b. Suppose we expect year 3 to have annual demand of 400. What is the forecast value for each quarter in year 3?

Q6 Number of students present in a class of STAT201 on different days of the week is given in the following table:

Day

Number of students present in the class

Sunday

20

Monday

30

Tuesday

20

Wednesday

50

a. Develop a three-day moving average for Thursday.

b. Develop a forecast of presents for Thursday using exponential smoothing with an alpha = 0.2. Assume that an initial forecast for Wednesday was 40.

math   Statistics-And-Probability   
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Answer #1

1 101.7s 23 95/96-15 68刊) 879 882 o 3312 23 3 53 Then ven ds 0.2 thur ニ 42

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