Which of the following statements is the best definition of a point estimate?

Suppose you have a random sample of $50$ measurements with a sample mean of $20$ and a known population standard deviation of $4$. You want to construct a $95\%$ confidence interval for the population mean. Which of the following is a correct analysis of this data set?

In the context of interpreting a graph related to confidence intervals, why might the $\mathrm{percentages}$ shown not add up to $100\%$?

Which of the following is a primary benefit of having a large sample size when constructing confidence intervals?

In the context of the widget cost regression model, what does the $p$-value associated with the $F$ statistic indicate?

Given a time-series trend equation of $25.3+2.1x$, what is the forecasted value for period $7$?

Which of the following is a point estimate?

Which of the following is not a conclusion of the central limit theorem?

Which of the following is not a conclusion of the Central Limit Theorem?