The Data Below Are the Ages and Systolic Blood Pressures $\alpha$

question 80

Essay

The data below are the ages and systolic blood pressures (measured in millimeters of mercury)of 9 randomly
selected adults. Test the significance of the correlation coefficient using α $\alpha$ = 0.05 and the claim ρ $\varrho = 0 \text {. }$ $$\begin{array} { l | c | c | c | c | c | c | c | c | c | } \text { Age, } \mathrm { x } & 43 & 46 & 50 & 53 & 56 & 58 & 62 & 66 & 70 \\\hline \text { Pressure, } \mathrm { y } & 114 & 118 & 121 & 129 & 140 & 143 & 146 & 148 & 150\end{array}$$

---

Definitions:

Yield To Maturity

The total return anticipated on a bond if it is held until the date it matures, including both interest payments and the gain or loss realized on the principal amount.

Market Price

The current exchange rate for a service or asset in the open market.

Zero-Coupon Bonds

Bonds that do not pay periodic interest and are sold at a discount from their face value, with the full face value being repaid at maturity.

Yield To Maturity

The total return anticipated on a bond if it is held until the date of its maturity, expressed as an annual rate.