1- true or false. Trend refers to the upward or downward movement that character

ID: 3321170 • Letter: 1

Question

1- true or false. Trend refers to the upward or downward movement that characterizes a time series over time ?

2- Which of the following is most likely a population as opposed to a sample?

a) Records randomly selected from afile.

b) Respondents to a national marketing survey.

c) 90 bottles selected from all the ones produced that day.

d) Sales of a new product at 15 test restaurants.

e) All the citizens of a city.

3- If sales for the month of january are 140 units, the seasonality factor is 2.00, and then the deseasonalized sales for january are:

a) 70

b) 80

c) 100

d) 120

1-Trend refers to the upward or downward movement that characterizes a time series over time ? true or false.

Answer : The answer is true here. The definition is given here.

2. Which of the following is most likely a population as opposed to a sample?

Answer :

a) Records randomly selected from a file. It is a sample, as word "Randomly" Selected.

b) Respondents to a national marketing survey. "It is a sample"

c) 90 bottles selected from all the ones produced that day. Sample

d) Sales of a new product at 15 test restaurants. Sample

e) All the citizens of a city. "Population" as there is no sample here.

3- If sales for the month of january are 140 units, the seasonality factor is 2.00, and then the deseasonalized sales for january are:

Deseasonalized sales for January = 140/2 = 70 [Option A is correct]

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