Stem-and-Leaf Plots | MathHelp.com - By MathHelp.com
Transcript
| 00:0-1 | In this example , we're asked to use the given | |
| 00:02 | stem and leaf plot to answer the following questions . | |
| 00:06 | Part A . What are the smallest and largest numbers | |
| 00:10 | ? Part B . What number appears most often part | |
| 00:14 | , see how many numbers are greater than 700 ? | |
| 00:18 | In part a . To find the smallest number , | |
| 00:21 | noticed that the smallest stem in the plot is 65 | |
| 00:25 | and the smallest leave for this stem is zero . | |
| 00:28 | So the smallest number in the data set is 650 | |
| 00:38 | . To find the largest number , noticed that the | |
| 00:41 | largest stem in the plot is 71 and the largest | |
| 00:44 | leaf for the stem is five . So the largest | |
| 00:48 | number in the data set is 715 . Yeah . | |
| 00:53 | Yeah . So the smallest and largest numbers are 650 | |
| 00:59 | and 715 in part B . To determine what number | |
| 01:04 | appears . Most often we look for repeating leaves within | |
| 01:08 | a given stem while there are several leaves that repeat | |
| 01:11 | within a given stem , such as the ones , | |
| 01:14 | the sixes , the twos , the sevens and the | |
| 01:17 | zeros . Only the ones on the stem of 68 | |
| 01:21 | repeat three times . This means that the number 681 | |
| 01:26 | occurs three times in the data set , which is | |
| 01:29 | more often than any other number . So the number | |
| 01:32 | that appears most often is 681 mm In part C | |
| 01:42 | . to determine how many numbers are greater than 700 | |
| 01:45 | , we first locate 700 in the stem and leaf | |
| 01:48 | plot , which is in the second to last row | |
| 01:52 | . Now we can see that the numbers that are | |
| 01:54 | greater than 700 R 704 706 711 and 715 . | |
| 02:03 | So there are four numbers that are greater than 700 | |
| 02:07 | . Mhm . No |
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