I am a Ph.D. student at Virginia Tech in materials science and engineering researching 3D printing of metals. I graduated with a B.S. in materials science and engineering in May 2022 and have lots of experience in tutoring STEM topics to students from middle school to college level. I've been tutoring since I was in high school and genuinely enjoy doing it. (read more)
...The sample also has a "spread" or range about the average: a standard deviation. Normally, about two-thirds of the group will lie within one standard deviation of the average, and about 95% lives within two standard deviations. Is the sample size big enough? (read more)
...In those years:
I have taught Algebra 100 times; I have taught Geometry probably 100 times also;
I have taught Alg II 10 times, and Trigonometry/PreCalc 30 times. Volleyball:
I own STAR Volleyball Camps that directs 10 to 15 site camps and clinics each summer. I have been coaching volleyball since 1985: 18 varsity high school teams, 10 JV teams, and 27 club teams. (read more)