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 …
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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 »
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, …
The tutor continues to find handy features on the Sharp EL-520W. Today: probability associated with the normal distribution. The Sharp EL-520W just keeps on giving. Sometimes I wonder, “Will it do that?” Usually, it turns out that it does. Relating …
Statistics: normal distribution calculations with the Sharp EL-520W Read more »