Recent Tutoring Session Reviews
"The student and I continued working on her homework in introductory statistics. Today, she did many problems with z-scores (solving for both z and x). We also worked on some basic probability questions and others on characteristics of the normal distribution."
"The student and I focused on working problems in order to clarify concepts. We worked through problems dealing with random variables. Specifically, we worked on finding means, variances, and standard deviations of discrete random variables; calculating expected values, variances, and standard deviations for linear combinations of random variables; understanding the standard normal table (how to use and what it tells you); and Z-scores (what they mean and how you calculate them). She has an improved understanding of independence and mutually exclusive (or disjoint), which is really great progress. She is clearly going over the concepts on her own and making strides to get better every day."
"The student and I met at the library to review his take-home test together. The statistics test included many of the introductory statistics concepts. He was confident on most of the material but needed to be certain that he would pass the course. In the end, he scored a 92, which was much higher than the 65 that he needed."
"The student and I reviewed Chapters 1-4 for her final Exam next Thursday. She feels very comfortable with the newer material, and wants to mainly go over chapters 5 and 6 next week. She assures me that she can review the other chapters on her own."
"The student and I reviewed estimations of the mean and proportion, calculating confidence intervals, and determining appropriate sample sizes. We discussed some of the important concepts, including the relationship between confidence levels, sample size, and the size of the margin of error. She was able to correctly answer all the problems we worked through in her homework assignment. We worked through the strategy of identifying key variables prior to solving the problem. I also suggested creating her cheat sheet for the final exam in advance so that she could use it while completing homework assignments-- that way she can see if any key concepts are missing and get used to the layout."
"The student and I reviewed for her exam. We defined nominal, ordinal, interval, and ratio data types. We also discussed random, sequential, stratified, and cluster sample methods. We found mean, median, mode, and variance of given sample data. Finally, we compared and contrasted normal and standard normal distributions."