The linear trend y=120+2 was estimated using a time series with 20 time periods. The forecasted value for time period 21 is a. 120 b. 122 c. 160 d. 162

for b its (t) and c its (d)

step-by-step explanation:

what statement? is there an image?

whole number data type

step-by-step explanation:

as whole number type represents whole number

like 1, 2 ,3, 4

in other words the whole numbers are those numbers which cannot be written infraction.

since we can take days as a whole number i.e 1 day 2 day and we cannot write 1.2 day hence we will use whole number data type