Readers Are Encouraged to Use Microsoft Excel to Solve This

question 11

Multiple Choice

Readers are encouraged to use Microsoft Excel to solve this problem.In a nuclear medicine technology training program, the students wonder if their final exam grade in their training program is related to their subsequent board score on the NMTCB exam.The five students attain the following pairs of scores (exam score, board score) = (72, 60) , (84, 74) , (88, 71) , (68, 60) , (91, 79) .What is the linear correlation coefficient, r, between exam score and board score?

• A)0.99
• B)0.95
• C)0.86
• D)0.75

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Definitions:

Exocytosis

A cellular process in which intracellular vesicles fuse with the plasma membrane to release their contents outside the cell.

Adhesion Junctions

Specialized structures in cells that help in the binding of cells with each other or with the extracellular matrix.

Gap Junctions

Specialized intercellular connections that facilitate the direct transfer of ions and small molecules between the cytoplasms of adjacent cells.

Tight Junctions

Specialized connections between neighboring cells that create a barrier to prevent the leakage of molecules across cell layers.