Recent Tutoring Session Reviews
"Cumulative review in preparation for a quarter test on Monday -- discussed vocabulary relating to variable types and experiment design, quickly reviewed measures of center and spread since that was done in depth last week, discussed how to calculate Z scores and what they mean in the context of the area under the normal distribution curve."
"We covered linear density curves. Quartiles were a specific issue, but after talking through it and doing a few problems she understood how to find them. We then worked on normal density curves. She did very well on these problems and I'm confident that she'll do well on her upcoming test."
"The student said that she thought the test was quite difficult but when I asked her about the questions and how she approached them, it seems like she may have done better than she expected. We will see. We moved on in this session to talking about using the concepts we learned about sampling distributions of test statistics like x bar to constructing confidence intervals. I tried to get her to understand that she will see several different types of confidence intervals in this class: one and two sample means and one and two sample proportions being two of the main ones. Rather than approaching each of these as a new topic, it is nice to understand that all confidence intervals are constructed the same: confidence interval for population parameter is the corresponding test statistic, plus or minus a margin of error. The margin of error is always equal to some critical test statistic (like the 97.5% z score for a 95% confidence interval) times the standard error of the test statistic. We will see this concept using both z and t test statistics."
"During this session, completing the square, vertex and intercept forms of quadratics, the quadratic formula, and solving by square roots were reviewed by completing a review packet in preparation for the upcoming test."
"We discussed and did several practice problems for binomial distributions. Towards the end of the session we discussed that we need to prepare more to move on to the next topic of multinomial distributions."
"Today we spoke about understanding how to deal with fractions in an algebraic problem. The student's teacher has taught her another way of dealing with fractions and so I was able to better explain to her step by step how to remove a fraction and make the entire equation a whole number. We also spent some time going on percentage problems. She had encountered a percentage problem on her quiz earlier this week and she wanted to learn how to conceptually think about part/whole = %/100 and then turning that into an algebraic problem. I will be emailing her homework problems about percentages so she can further review."