When We Construct a 95% Confidence Interval,we Are 95% Sure

question 46

Multiple Choice

When we construct a 95% confidence interval,we are 95% sure that the

• A)sample mean difference falls within the interval.
• B)population mean difference falls within the interval.
• C)population mean difference is at the center of the interval.
• D)sample mean difference is at the center of the interval.

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Definitions:

PivotTable

A data summarization tool used in spreadsheets and database programs to dynamically sort, count, and total or average data stored in one table or spreadsheet.

Data Model

A conceptual framework that arranges elements of data and normalizes their relationships to each other and to real-world characteristics.

Table

A structured arrangement of data made up of rows and columns, used for organizing, storing, and displaying information systematically.

Data Model

A conceptual representation of the data structures and relationships within a database or information system.