A Sample of 225 Elements from a Population with a Standard

question 26

Multiple Choice

A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample mean is 180. The 98% confidence interval for μ is

• A) 105 to 225.
• B) 175 to 185.
• C) 165.6 to 194.4.
• D) 164.575 to 195.425.

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Definitions:

Table Design View

A feature in database software that allows users to define and modify a table's structure, including its fields and data types.

Column Widths Property

An attribute in spreadsheet and database applications that determines the visual width of columns, affecting the display of contained data.

Caption Property

In software development, this refers to an attribute of a user interface control that defines the text displayed to the user, often as a label.

Field Name

The identifier assigned to a specific piece of data in a database, such as a column in a table, which describes the kind of data it holds.