When Constructing a Confidence Interval for a Population Mean,if the Population

question 99

Multiple Choice

When constructing a confidence interval for a population mean,if the population is normally distributed with unknown standard deviation and the sample size is 10,then the distribution of $\bar { x }$
Is based on _____ distribution.

• A)z
• B)t
• C)F
• D)chi-square
• E)binomial

---

Definitions:

Regression

A statistical method for estimating the relationships among variables, often used for prediction and forecasting in finance.

Correlation Coefficient

A statistical measure that calculates the strength of the relationship between two variables, ranging from -1 to 1, where 1 indicates a perfect positive correlation and -1 indicates a perfect negative correlation.

Standard Deviation

A statistical measure that represents the dispersion or variability of a data set or investment returns, indicating how much the values in the set deviate from the mean.

Sharpe Ratio

A measure used to assess the risk-adjusted return of an investment by comparing its excess return to its standard deviation of returns.