3. Describing Data Numerically

Which of the following best describes the $\mathrm{mean}$ in a data set?

Which measure represents the average of all data points in a data set?

Which of the following best describes how to calculate the mean salary for women in the finance department? $=\frac{\sum x_i}{n}$

Which of the following best completes the sentence: The median is the $\mathrm{middle} \mathrm{value}$ of the data in a sorted array?

Out of $20$ attempts, a basketball player scored $8$ times. What percent of his attempts did he score?

For which of the following types of variables is it appropriate to calculate an arithmetic mean $x=\frac{\sum x}{n}$?

Which of the following best describes the $\mathrm{mean}$ in a $\mathrm{data}\mathrm{set}$?

Suppose you simulate 25 games and record the values of the random variable $x$ for each game. Which of the following is the correct formula to approximate the mean of $x$ based on your simulation results?

Given Evelyn's scores: $5.1$, $5.6$, $5.8$, and $7$, what is the mean absolute deviation of her scores?

Which of the following is not an appropriate definition of the mean?