The following time series shows the sales of a clothing store over a 10-week period. Compute the mean square error (MSE) for a 4-week moving average forecast for the time series. Week Sales($1,000s) 1 15 2 16 3 19 4 18 5 19 6 20 7 19 8 22 9 15 10 21 Group of answer choices 21.50 7.67 15.00 16.90 2.33

7.67

Step-by-step explanation:

Given the data :

Week_sales_Forecast ___|error|_ |error|²

1 15

2 16

3 19

4 18

5 19 17 24

6 20 ___ 18 24

7 19 19 00

8 ___ 22 19 39

9 ___ 15 20 5___ 25

10 __ 21 19 2 ___ 4

Mean squared error :

(4 + 4 + 0 + 9 + 25 + 4) / 6

= 46 / 6

= 7.666

= 7.67

where did you get them? if you picked from the grass, is is probably poisonous.

step-by-step explanation:

answer: my brother can figure it out, imma go get him so i can answer : ) edit: my brother is sleeping, sorry man

step-by-step explanation: