The following are monthly actual and forecast demand levels for May through December for units of a product manufactured by the D. Bishop Company in Des Moines: Month Actual Demand Forecast Demand May 105 102 June 78 104 July 108 101 August 112 104 September 108 104 October 110 104 November 125 105 December 125 109
What is the value of the tracking signal as of the end of december?

The value of the tracking signal as of the end of December is 8.

Explanation:

month actual  forecast  forecastRSFE absolute MAD Tracking signal

           sales  sales           error                error    

May      105  102              3            3      3              3                  1

june       78104           -26-23      -26     -11.5           2

july       108  101             7    -16         7     -5.33333            3

august112104              8  -8      8      -2             4

sep    108104       4    -4      4      -0.8             5

oct         110104             6    2         6      -0.6667      -3

nov    125105           20  22    20    3.142857143     7

dec    125109            16          38    16      4.75          8

idk

explanation:

bc why nah

i believe the answer is: streets and roads

public property refers to the property that can be used by all legal citizens in a certain country. the public property was created and maintain using the government budget that allocated specifically for it. the budget itself come from the citizen's income tax payment.