Stem and Leaf Plots with Eric and Eliot - By Anywhere Math
Transcript
| 00:0-1 | Welcome Daniel Mass Junior . I'm eric family and today | |
| 00:03 | we're learning family plus let's get started . So it | |
| 00:23 | started first example . So example one is I wanted | |
| 00:27 | to know because I play fortnite a lot so I | |
| 00:30 | wanted to know how much minutes my friends play in | |
| 00:33 | the weekends compared to me . And I play 84 | |
| 00:36 | minutes . On average every weekend . And the rest | |
| 00:39 | of the data is my how much my friends play | |
| 00:42 | . And so in order to organize the data , | |
| 00:44 | we need to make a stand in the plot . | |
| 00:46 | So first we need to put all this data in | |
| 00:48 | order . So now that we put it in order | |
| 00:51 | , uh it's best in order to check if it's | |
| 00:54 | in order not . Uh you should probably count how | |
| 00:56 | many numbers you put compared to the amount of data | |
| 00:59 | . So there's 123456789 There's 1234567 back . So in | |
| 01:07 | order to make a seven flat , your first continual | |
| 01:14 | . Mhm . So when you make a start on | |
| 01:16 | the plot , you have to make sure that the | |
| 01:19 | tense place goes in the stem and you don't need | |
| 01:22 | to start at zero using the start of the least | |
| 01:24 | amount . So it started three . Yeah . And | |
| 01:29 | then you need to see what the numbers are in | |
| 01:32 | the most places . Right ? Mhm . Mhm . | |
| 01:39 | Oh . And if you have a gap from like | |
| 01:42 | , let's say six and then there's nothing at seven | |
| 01:45 | . You don't you can't you should have skipped the | |
| 01:47 | seven . Just keep the seven there and just moves | |
| 01:51 | on to eat . So then now we need to | |
| 01:53 | make the key . So now that we finished party | |
| 01:55 | of example one here's eric to talk about . All | |
| 01:59 | right . This is party . Find a mean median | |
| 02:02 | mode and range First . When we find them me | |
| 02:05 | , you need to add up the total data . | |
| 02:08 | Data and numbers which give us 506 And the union | |
| 02:12 | divided by the amount of dana's which is nine . | |
| 02:14 | So Buckley 506 You want to buy nine And then | |
| 02:20 | it goes on . So for our answer for the | |
| 02:23 | mean will be 56.2 minutes . Don't also don't forget | |
| 02:27 | your units when you like the answer down now . | |
| 02:31 | The next part median median is the middle number of | |
| 02:34 | all of those numbers . From those nine numbers in | |
| 02:38 | the middle it's better to look at a family plot | |
| 02:41 | . As in this case there nine numbers . The | |
| 02:43 | middle number should be the fifth number . So when | |
| 02:46 | you counted the fifth number should be 56 . So | |
| 02:49 | for the median the median number will be 56 minutes | |
| 02:54 | . Don't physically actually . And now for the mode | |
| 02:58 | mode is a freaking number as if there are 256 | |
| 03:02 | . But as in this data minutes applying for night | |
| 03:05 | , there are no modes . So we just but | |
| 03:07 | the answer has none . Now , the range range | |
| 03:11 | is the difference between the large number two , the | |
| 03:14 | least number From . At this situation , you're subtracting | |
| 03:18 | 84 by 31 . We shall give us 53 . | |
| 03:26 | That 53 is . Our range . Here is a | |
| 03:29 | problem for you to try on your own . Thanks | |
| 03:38 | for watching this video . And you feel like this | |
| 03:40 | video , please of Tribe . |
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Stem and Leaf Plots with Eric and Eliot is a free educational video by Anywhere Math.
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