Use a Graphing Utility to Find the Equation of the Line

question 276

Multiple Choice

Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
- $\begin{array}{c|ccccc}x & 0 & 3 & 4 & 5 & 12 \\\hline y & 8 & 2 & 6 & 9 & 12\end{array}$

• A) \(y = 0.63 x + 4.88\)
• B) \(y = 0.53 x + 4.88\)
• C) \(y = 0.73 x + 4.98\)
• D) \(y = 0.43 x + 4.98\)

Learn how to estimate values (e.g., price, revenue) using regression analysis and confidence intervals.

Understand the concept and application of prediction intervals.

Grasp the basics of residual analysis in regression, including standardization, patterns, and assumptions violations.

Identify and interpret outliers and their impact on regression analysis.

---

Definitions:

Tax Rate

The percentage at which an individual or corporation is taxed by the government.

Municipal Bonds

Securities issued by municipalities to finance public projects, often tax-exempt for investors.

Interest Rates

The percentage of principal charged by the lender for the use of its money, influencing economic activity by encouraging or discouraging borrowing and spending.

Mutual Fund Shares

Investments representing units of ownership in a mutual fund, where the fund pools money from many investors to purchase a diversified portfolio of securities.