Use the REGRESSION Feature on a Graphing Calculator

question 84

Multiple Choice

Use the REGRESSION feature on a graphing calculator.
-Efficiency experts rate employees according to job performance and attitude. The results for several randomly selected employees are given below. Find the regression line which can be used to predict performance rating if attitude rating is known.

• A) y = -47.3 + 2.02x
• B) y = 92.3 - 0.669x
• C) y = 11.7 + 1.02x
• D) y = 2.81 + 1.35x

---

Definitions:

Dollar

A unit of currency used in the United States and some other countries, symbolized by "$".

American Net Exports

The value of exports from the United States minus the value of its imports, expressing the country's trade balance with rest of the world.

Federal Reserve

The central banking system of the United States, responsible for implementing monetary policy, supervising banks, and ensuring financial stability.

Money Supply

The sum of all money present in an economy at a given moment, which encompasses cash, coins, and the amounts in checking and savings accounts.