A Researcher Investigated the Relationship Between Test Length and Grades

question 10

Multiple Choice

A researcher investigated the relationship between test length and grades in a Western Civilization course.After randomly assigning students to groups,she found that students who took longer exams received better grades than students who took shorter exams.The independent variable was

• A) test grades.
• B) gender of the students.
• C) class size.
• D) length of test.

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Definitions:

Delete Table

An operation or command in database or spreadsheet software that permanently removes a table and all its data from the database or document.

Delete Columns

The action of removing a vertical segment of cells and their data from a spreadsheet or table.

Distribute Columns

A layout process that ensures columns in a document or presentation are evenly spaced.

Split Cells

A function in spreadsheet or table applications that divides a single cell into multiple cells either horizontally or vertically.