You Are Attempting to Link Weekly Hours of Exercise (X)

question 24

Multiple Choice

You are attempting to link weekly hours of exercise (x) to blood pressure (y) using simple linear regression and the following data: In applying the least squares criterion, the slope (b) and the intercept (a) for the best-fitting line are b = 90 and a = -4.Produce the 95% confidence interval estimate of the population intercept.Report the upper bound for your interval.

• A)162
• B)154
• C)204
• D)168
• E)177

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Definitions:

Price Volatility

The degree of variation in the price of a financial instrument, commodity, or market index over time, often measured by the standard deviation of returns.

Convexity

This is a measure of the curvature or the degree of the curve in the relationship between bond prices and bond yields, indicating how the duration of a bond changes as the interest rate changes.

Bond Price

The amount of money an investor pays to purchase a bond and can fluctuate based on interest rates, credit quality, and other factors.

Coupon Rates

The annual interest rate paid by bond issuers to the bondholders, usually fixed throughout the life of the bond.