Here Are the Average Mathematics Achievement Scores for Ninth Graders

question 10

Multiple Choice

Here are the average mathematics achievement scores for ninth graders in 34 counties.Find the standard deviation.

• A)55.8
• B)57.5
• C)54.2
• D)56.2
• E)55.2

---

Definitions:

Nuts

Hard-shelled seeds of certain plants that are generally edible and nutritious, often eaten raw, roasted, or used as ingredients in cooking.

Berries

Small, pulpy, and often edible fruits, typically juicy, rounded, brightly colored, and seed-containing, consumed worldwide in various forms.

Utility Function

A mathematical representation of how individual preferences or consumption bundles yield levels of satisfaction or utility.

Budget Constraint

A representation of all the combinations of goods and services a consumer can afford to buy given their income and the prices of the goods.