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Question
Submitted by shahimermaid on Tue, 2012-03-06 05:30
due on Sat, 2012-03-10 05:28
answered 1 time(s)
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More questions like this
Use the table “Food and...

Use the table “Food and Beverage Sales for Paul’s Pizzeria” to answer the questions below.

Food and Beverage Sales for Paul’s Pizzeria Restaurant

($000s)

Month

First Year

Second Year

January

55

60

February

53

54

March

53

56

April

63

44

May

64

44

June

54

34

July

33

36

August

35

37

September

25

28

October

30

30

November

35

38

December

54

52

Part (a) Calculate the regression line and forecast sales for March of Year 3.

Part (b) Calculate the seasonal forecast of sales for March of Year 3.

Part (c) Which forecast do you think is most accurate and why?

Answer
Submitted by shahimermaid on Tue, 2012-03-06 05:31
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xxxx xxx Calculate xxx regression xxxx and xxxxxxxx sales xxx xxxxx of Year 3.

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Food xxx Beverage Sales for xxxx’x xxxxxxxx xxxxxxxxxx

xxxxxxx

Month

First xxxx

Second xxxx

xxxxxxx

55

60

xxxx

February

xx

54

xxxx

xxxxx

xx

56

xxxx

April

xx

xx

53.5

xxx

xx

44

xx

June

xx

xx

xx

July

33

xx

34.5

xxxxxx

xx

37

36

xxxxxxxxx

25

28

xxxx

xxxxxxx

30

xx

30

November

35

38

36.5

xxxxxxxx

xx

xx

53

xxxxxxxxxxxxxxx

xxxxxxxxxx Line

xxxxx xxx

xx (X-mean xx

x^2

xxxxx xxx

y= xxxxxxx

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file2.xlsx preview (352 words)

Sheet1

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Regression xxxx
xxxxx xxxx= (X-mean xx xxx xxxxx xxx y= (Y-mean xxy^2 xy Regression xxxxxxxx
1 xxxxxxxxx57.5 xx169-71.5 Regression xxxxxxxxxxx = x + bx
2 xxxx20.25xxxx x xx xxxxx Slope(b) x xxxxxx - (ΣX)(ΣY)) x xxxxxx - xxxxxxx
3 xxxxxxxxx xxxx 10xxxxxx xxxxxxxxxxxx = (ΣY - xxxxxxx / x
x -2.5 xxxx53.5x xx-22.5
x-1.5 xxxx xx 9.5 90.25xxxxxx where
6xxxx 0.2544 -0.5 xxxx xxxx              x xxx y xxx xxx variables.
7 0.5xxxx xxxx-10 xxx -5               b = xxx xxxxx xx xxx regression xxxx
x xxx 2.2536 xxxx xxxxxxxxxxx              x x The intercept point xx the xxxxxxxxxx xxxx xxx the x axis.
xxxx xxxxxxxx -18324 -45               N x xxxxxx xx xxxxxx or xxxxxxxx
xx xxxxxxxx30xxxxxxxxxxx-50.75               X x xxxxx

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