We Should Do a Scatterplot of the Data When We

question 45

Multiple Choice

We should do a scatterplot of the data when we compute a correlation because the scatterplot allows us to

• A)see the relationship between the two variables.
• B)determine the exact value of the correlation coefficient.
• C)determine whether a relationship is likely to exist in the population from which the sample is taken.
• D)predict accurate Y scores for known X scores.

---

Definitions:

Lignin

A complex organic polymer deposited in the cell walls of many plants, making them rigid and woody.

Cellulose

A complex carbohydrate that constitutes the primary structural component of plant cell walls and is a dietary fiber in human nutrition.

Longitudinal Section

A slice or section of an object or organism made along its length, used to visualize internal structures in relation to its long axis.

Parenchyma

Tissue found in plants, consisting of unspecialized living cells with thin cell walls, involved in photosynthesis, storage, and tissue repair.