Use a Graphing Utility to Find the Equation of the Line

question 246

Multiple Choice

Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
-Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below. $\begin{array}{cc|c|c|c|c|c|c|c|c|c}\text { Performance } & 59 & 63 & 65 & 69 & 58 & 77 & 76 & 69 & 70 & 64 \\\text { Attitude } & 72 & 67 & 78 & 82 & 75 & 87 & 92 & 83 & 87 & 78\end{array}$

• A) \(y = - 47.3 + 2.02 x\)
• B) \(\mathrm { y } = 92.3 - 0.669 \mathrm { x }\)
• C) \(y = 11.7 + 1.02 x\)
• D) \(y = 2.81 + 1.35 x\)

---

Definitions:

Query Language

A computer language used to make queries or requests for data within databases and information systems.

SQL

Stands for Structured Query Language, a standardized programming language used for managing and manipulating relational databases.

Cardinality

In database design, it refers to the uniqueness of data values contained in a particular column (attribute) of a database table.

Entity

A thing with distinct and independent existence, often used to refer to businesses, organizations, or complex individuals.