A Random Sample of Size N = 7 from a Normal

question 247

Short Answer

A random sample of size n = 7 from a normal population produced these measurements:
2.1, 4.3, 2.4, 2.7, 4.0, 3.5, 3.6.
Calculate the sample variance, .
______________
Construct a 95% confidence interval (CI) for the population variance, .
CI = ______________ Enter (n1, n2)
Test using = 0.05. State your conclusions.
Test Statistic = ______________
Critical Value(s) = ______________
Conclusion: ______________
There is ______________ to indicate that is different from 0.8.
What is the approximate p-value for the test in part (c)?
______________

---

Definitions:

Leverage

The use of borrowed funds to enhance the potential return of an investment.

Transaction Costs

Expenses incurred when buying or selling securities, including broker fees, commissions, and other charges that affect the profitability of investments.

Forward Contracts

Non-standardized contracts between two parties to buy or sell an asset at a specified future time at a price agreed upon today.

Organized Exchange

A regulated marketplace for the trading of securities, commodities, derivatives, and other financial instruments.