Which of the following is true with regards to the concept of Scatter Plots?

• they are two-dimensional, time-based plots showing the values for the joint occurrence of two variables
• the scatter plots may be used to graphically represent the relationship between two variables
• they are also known as scatter diagrams
• they are shown on the x-y charts
• all of these
• none of these

Weighted Moving Average is a moving average forecasting method that placesthesame weights on past values:

• True
• False

Which of the following is true with regards to the concept of Consumer Market Surveys?

• are seldom reliable
• consumers are not rational
• they need to see a product first before they can react
• all of these
• none of these

Forecasting software is just a tool no matter how sophisticated it is. Ultimately, for now, humans make decisions:

• True
• False

A perfect forecasting model does exist:

• True
• False