Tutoring statistics, one uses all kinds of calculators. The tutor gives an example of how to use the Casio fx-991ES PLUS C for normal cdf calculations. The following is according to my understanding. As calculators go, it seems to me …
Statistics, calculator usage: the normal distribution on the Casio fx-991ES PLUS C Read more »
Tutoring statistics, one encounters various electronic facilities. The tutor compares Google Sheets with the TI-83 Plus using the normal cdf. The following is according to my understanding. My earlier coverage of a Google Sheets way to use the normal cdf …
Tutoring statistics, normal distribution and normal cdf, etc, are often referenced. The tutor mentions some everyday ideas with an example on Google Sheets. The following is according to my understanding. In statistics, the normal distribution is probably the most used …
Statistics, spreadsheets: using the normal cdf on Google Sheets Read more »
Tutoring statistics, fundamental ideas about the normal distribution are important. The tutor mentions the difference between normal and standard normal. I begin about the normal distribution in my post from Nov 17, 2014. That post mentions some familiar concepts about …
Statistics: normal distribution vs standard normal distribution Read more »
The tutor follows his earlier post with an implication about holiday weight gain. In yesterday’s post I discussed the surprise that perhaps mean holiday weight gain is no more than a pound; furthermore, I estimated its standard deviation at 3.125lbs. …
Statistics: holiday weight gain: estimating percentage who don’t Read more »
The tutor estimates the standard deviation of holiday weight gain. I hoped to lose weight over the holiday season; alas, I gained a pound. Searching the internet for opinions about it, I came upon this surprising article, which suggests that …
Statistics: estimation of standard deviation: holiday weight gain Read more »
Tutoring some high school math courses, statistics is prominent. The tutor introduces an important definition. Statistics focuses on the mean and the standard deviation. But why is that? The reason is that while most phenomena follow a normal distribution, …
Tutoring statistics, you help students who, in many cases, are facing completely new ideas (to them). The tutor continues his goal of explaining statistics from a “day-to-day” point of view. In an introductory stats course – which is probably as …