i have been getting many incorrect answers recently, if you are unsure do not attempt. all i ask is all parts answered and with shown or explained work. you (:
chris is employed by silver lake resort in orlando, florida, and sells timeshares. the following table shows the number of timeshare sales for chris for each quarter over the past three years.
period
quarter
sales
period
quarter
sales
1
1
10
7
3
12
2
2
16
8
4
8
3
3
11
9
1
13
4
4
7
10
2
17
5
1
11
11
3
12
6
2
14
12
4
9
s:
a) the four-period centered moving average for period 7 is
b) the ratio-to-moving-average for period 4 is
c) the seasonal factor for quarter 2 is
d) the normalized seasonal factor for quarter 4 is
e) the deseasonalized number of sales for period 9 is
f) the slope for the deseasonalized trend projection is
g) the intercept for the deseasonalized trend projection is
h) the trend component for the forecast of sales for period 13 using multiplicative decomposition is
i) the sales forecast for period 13 using multiplicative decomposition is
j) the mean absolute deviation for forecasting timeshares sales using multiplicative decomposition is