A Company's Annual Sales Are Shown Below in Thousands of Dollars

question 132

Essay

A company's annual sales are shown below in thousands of dollars for a period of 10 years.
Plot the time series;find the linear regression model,and also the forecast value and error for each of the years.Also discuss whether you think a linear model appears to be appropriate.

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Definitions:

Split

Split typically refers to dividing data, windows, or objects into separate parts or sections to enhance visibility, manageability, or functionality in software applications or data analysis.

Logical Table

An abstract representation of data organized in rows and columns, used in database and data warehouse design to logically separate data for ease of understanding and management.

Datasheet

A view in database applications that displays data in a table format, where fields are columns and records are rows.

Query

A request made to a database management system or search engine for information meeting specific criteria.