Rational and Non-Rational Numbers
This lesson covers the identification of rational and non-rational numbers. It explains the characteristics of different number sets, including natural numbers, whole numbers, and integers. The lesson also discusses the significance of the number PI in relation to circles.
- 08:46 “In on-dread. So I will just simply have it as 3 over 100. Like this. So I have 72%, that's 72 by 100, 120%. And what are the percentage? So in all categories, they all fall on that award. The rational numbers. Now, movin...”
- 08:00 “the larger volume. So we have percentage. We have fractions. Fractions. Percentage are inside the rational numbers. Take it off. So we have percentage. I said, all percentage are rational numbers. A percentage is a fract...”
- 07:13 “That gives us the misfraction. So if I have an example, I have 1, O number, 3 over 2. This is a misfraction. I call this a misfraction. In the sense that you can see that it's a combination of both O numbers and what? An...”
Measures of Central Tendency
This lesson covers the measures of central tendency, including mean, median, and mode. Students will learn how to calculate these measures using given data sets. The lesson also explains how to handle data with and without frequency.
- 15:15 “minus CF, all over F times C. Where your I can only be 1, 2, 3, up to 9. Meaning that, you can only find the 4th decide, 2nd decide, 4th, up to 9, that's the side. You cannot find 10's decide. Then percentile, percentile...”
- 27:41 “all over F, 4, everything times 2, we have 4 plus 4 all over 4 times 2, so this would be, if you consider this we have 1, so 1 times 2, that would be 4 plus 2, and that is 6, so therefore, our d 7, the 7's total, d 7, wh...”
- 16:02 “And your high can only stick value from 1 to 99. Meaning that, you can only find the 4th percentile, the 2nd percentile, the 50 percentile. You can only, and also, you can find 99. You cannot, you cannot find 100 percent...”