Exhibit 14-3 the Quarterly Numbers of Applications for Home Mortgage Loans at Loans

question 16

Short Answer

Exhibit 14-3
The quarterly numbers of applications for home mortgage loans at a branch office of a large bank are recorded in the table below.
-Refer to Exhibit 14-3.Obtain a time series chart.Which of the forecasting models do you think should be used for forecasting based on this chart? Why?

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Definitions:

Internal Validity

The extent to which a research study can demonstrate a causal relationship between variables, free from the influence of external factors.

External Validity

External validity refers to the extent to which the results of a study can be generalized or extended to other situations, people, settings, and measures.

Experimenter Effects

Effects produced or influenced by clues to the hypotheses under examination, inadvertently communicated by the experimenter.

Laboratory Experiments

Controlled tests or investigations conducted in a lab setting where variables can be isolated and manipulated to study their effects.