Test Hypotheses About a Population Proportion
-In One Area, Monthly $\$ 650$

question 4

Short Answer

Test Hypotheses about a Population Proportion
-In one area, monthly incomes of technology related workers have a standard deviation of $\$ 650$ . It is believed that the standard deviation of monthly incomes of non-technology workers is higher. A sample of 71 non-technology workers are randomly selected and found to have a standard deviation of $\$ 950$ . Test the claim that non-technology workers have a higher standard deviation. Use $\alpha = 0.05$ .

---

Definitions:

Long-Term Bonds

Bonds with a longer maturity period, typically more than 10 years, offering potentially higher yields but increased interest rate risk.

Treasury Bill

A short-term government security issued at a discount from the face value and pays no interest before maturing at its face value.

Effective Annual Rate

The interest rate on a loan or investment, adjusted for the effect of compounding over a one-year period.

Par

The face value of a bond or other financial instrument, which is the amount to be paid to the holder at maturity.