# Emery Adams

Union University

Statistics

Statistics teacher | Tutor for 7 years

With a Statistics major from Union University, my passion lies in deciphering data puzzles. Equipped with advanced analytical tools, I guide students through the complexities of mathematics, probability, and beyond. My teaching style fosters a deep understanding, empowering learners to tackle challenges with confidence. Whether unraveling statistical theories or demystifying mathematical concepts, I'm dedicated to illuminating the path to academic success. Join me in exploring the fascinating world of numbers, where every equation tells a story waiting to be understood.

## Questions

- What is the relationship between the normal curve and the standard deviation?
- Can the standard deviation be greater than the mean?
- Can the standard deviation ever be negative?
- How do I summarize the possible outcomes of a random variable and their associated probabilities?
- What is the standard error?
- Is covariance a measure of variability?
- What is the variance of z=2x+3y, in terms of the variances of x and y?
- What is the difference between the line of best fit and the least squares regression line?
- John received a score of 75 on a math test where the mean was 50. If his score is 2.5 standard deviations away from the mean, what is the variance of the classes test scores?
- What is a standardized regression coefficient?
- What is the variance of {5, 3, 6, 14, 8, 10, 3, 17, 19, 9}?
- Two urns contain white balls and yellow balls. The first urn contains 2 white balls and 7 yellow balls and the second urn contains 10 white balls and 4 yellow balls. A ball is drawn at random from each urn. What is the probability that both balls are w?
- What does it mean when the slope of the best-fit line is negative?
- In a club there are 10 women and 7 men. A committee of 6 women and 4 men is to be chosen. How many different possibilities are there?
- What is the generalized R-Squared?
- Will you use a z table or a t table for computing the confidence interval for the slope?
- How do you find the z-score for which 80% of the distribution's area lies between -z and z?
- If a distribution has a mean of 266 and standard deviation of 16, what is the z-score of 282?
- What type of data warrants the use of an augmented Dickey-Fuller?
- You have created a (random) 5-digit password for your computer. A hacker tries to break in to your computer. What is the probability that he is successful on the first attempt?