[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:00.66,0:00:03.38,Default,,0000,0000,0000,,The government created the\Nfollowing stem-and-leaf plot Dialogue: 0,0:00:03.38,0:00:07.20,Default,,0000,0000,0000,,showing the number of turtles at\Neach major zoo in the country. Dialogue: 0,0:00:07.20,0:00:10.63,Default,,0000,0000,0000,,How many zoos have\Nfewer than 46 turtles? Dialogue: 0,0:00:10.63,0:00:12.90,Default,,0000,0000,0000,,So what the\Nstem-and-leaf plot does Dialogue: 0,0:00:12.90,0:00:15.15,Default,,0000,0000,0000,,is it gives us the first\Ndigit in each number Dialogue: 0,0:00:15.15,0:00:17.60,Default,,0000,0000,0000,,and essentially you could\Ncall this the tens place. Dialogue: 0,0:00:17.60,0:00:19.10,Default,,0000,0000,0000,,And then it gives\Nus the ones place. Dialogue: 0,0:00:19.10,0:00:21.57,Default,,0000,0000,0000,,So there was only one zoo\Nthat had four turtles. Dialogue: 0,0:00:21.57,0:00:26.13,Default,,0000,0000,0000,,So you could view this\Nas 0, 0, 4, or 4 turtles. Dialogue: 0,0:00:26.13,0:00:30.51,Default,,0000,0000,0000,,Then everything here,\Nthe tens place, is a 1. Dialogue: 0,0:00:30.51,0:00:33.16,Default,,0000,0000,0000,,So this number right\Nhere is really an 11. Dialogue: 0,0:00:33.16,0:00:34.80,Default,,0000,0000,0000,,This is a 14. Dialogue: 0,0:00:34.80,0:00:37.79,Default,,0000,0000,0000,,This right over\Nhere would be a 16. Dialogue: 0,0:00:37.79,0:00:40.51,Default,,0000,0000,0000,,That's a 16, and\Nso forth and so on. Dialogue: 0,0:00:40.51,0:00:42.16,Default,,0000,0000,0000,,This would be 17, 18. Dialogue: 0,0:00:42.16,0:00:43.35,Default,,0000,0000,0000,,All of this is 23. Dialogue: 0,0:00:43.35,0:00:44.06,Default,,0000,0000,0000,,This is 23. Dialogue: 0,0:00:44.06,0:00:46.66,Default,,0000,0000,0000,,This is 26 because we have our\Ntens place right over here. Dialogue: 0,0:00:46.66,0:00:48.12,Default,,0000,0000,0000,,This is the first digit. Dialogue: 0,0:00:48.12,0:00:49.35,Default,,0000,0000,0000,,So let's answer the question. Dialogue: 0,0:00:49.35,0:00:52.94,Default,,0000,0000,0000,,How many zoos have\Nfewer than 46 turtles? Dialogue: 0,0:00:52.94,0:00:56.67,Default,,0000,0000,0000,,So there are no zoos that\Nhad 40 anything turtles. Dialogue: 0,0:00:56.67,0:00:58.77,Default,,0000,0000,0000,,And so all of these zoos\Nhere-- so all of these Dialogue: 0,0:00:58.77,0:01:01.99,Default,,0000,0000,0000,,had 30 something turtles,\Nthese had 20 something turtles, Dialogue: 0,0:01:01.99,0:01:04.52,Default,,0000,0000,0000,,these have in the teens,\Nthis has single digits. Dialogue: 0,0:01:04.52,0:01:07.19,Default,,0000,0000,0000,,So it's literally as many\Nzoos as we have listed here. Dialogue: 0,0:01:07.19,0:01:16.16,Default,,0000,0000,0000,,So 1, 2, 3, 4, 5, 6, 7, 8, 9,\N10, 11, 12, 13, 14, 15, 16, 17. Dialogue: 0,0:01:16.16,0:01:19.61,Default,,0000,0000,0000,,17 zoos have fewer\Nthan 46 turtles. Dialogue: 0,0:01:19.61,0:01:21.70,Default,,0000,0000,0000,,Let's do another one. Dialogue: 0,0:01:21.70,0:01:23.38,Default,,0000,0000,0000,,The buyer for a\Nchain of supermarkets Dialogue: 0,0:01:23.38,0:01:25.05,Default,,0000,0000,0000,,created the following\Nstem-and-leaf plot Dialogue: 0,0:01:25.05,0:01:28.06,Default,,0000,0000,0000,,showing the number of coconuts\Nat each of the stores. Dialogue: 0,0:01:28.06,0:01:32.37,Default,,0000,0000,0000,,What was the smallest number\Nof coconuts at any one grocery Dialogue: 0,0:01:32.37,0:01:33.27,Default,,0000,0000,0000,,store? Dialogue: 0,0:01:33.27,0:01:34.94,Default,,0000,0000,0000,,So the buyer for a\Nchain of supermarkets Dialogue: 0,0:01:34.94,0:01:36.61,Default,,0000,0000,0000,,created the following\Nstem-and-leaf plot Dialogue: 0,0:01:36.61,0:01:39.58,Default,,0000,0000,0000,,showing the number of coconuts\Nat each of the stores. Dialogue: 0,0:01:39.58,0:01:42.75,Default,,0000,0000,0000,,So at any one grocery store\Nthe smallest number-- well, Dialogue: 0,0:01:42.75,0:01:44.71,Default,,0000,0000,0000,,that's this one right over here. Dialogue: 0,0:01:44.71,0:01:45.84,Default,,0000,0000,0000,,And remember, it's not two. Dialogue: 0,0:01:45.84,0:01:47.50,Default,,0000,0000,0000,,We have our tens\Nplaces right over here. Dialogue: 0,0:01:47.50,0:01:48.10,Default,,0000,0000,0000,,It's a one. Dialogue: 0,0:01:48.10,0:01:49.52,Default,,0000,0000,0000,,So this right over\Nhere represents Dialogue: 0,0:01:49.52,0:01:51.38,Default,,0000,0000,0000,,12 coconuts at that store. Dialogue: 0,0:01:51.38,0:01:53.94,Default,,0000,0000,0000,,So we'll put 12 right over here. Dialogue: 0,0:01:53.94,0:01:55.77,Default,,0000,0000,0000,,Let's try another one. Dialogue: 0,0:01:55.77,0:01:58.34,Default,,0000,0000,0000,,A statistician for a\Nchain of department stores Dialogue: 0,0:01:58.34,0:02:00.01,Default,,0000,0000,0000,,created the following\Nstem-and-leaf plot Dialogue: 0,0:02:00.01,0:02:02.95,Default,,0000,0000,0000,,showing the number of watches\Nat each of the stores. Dialogue: 0,0:02:02.95,0:02:06.83,Default,,0000,0000,0000,,How many department stores\Nhave exactly seven watches? Dialogue: 0,0:02:06.83,0:02:11.21,Default,,0000,0000,0000,,Well that's only this one\Nright over here-- 07 watches. Dialogue: 0,0:02:11.21,0:02:14.77,Default,,0000,0000,0000,,This one, this, this,\Nand that one are not 7. Dialogue: 0,0:02:14.77,0:02:17.91,Default,,0000,0000,0000,,This is representing 17\Nbecause it's in the row with 1 Dialogue: 0,0:02:17.91,0:02:18.95,Default,,0000,0000,0000,,at the beginning. Dialogue: 0,0:02:18.95,0:02:22.56,Default,,0000,0000,0000,,This right over\Nhere represents 27 Dialogue: 0,0:02:22.56,0:02:24.73,Default,,0000,0000,0000,,because it's in the row\Nwith the 2 at the beginning. Dialogue: 0,0:02:24.73,0:02:29.10,Default,,0000,0000,0000,,So there's only one store that\Nhas exactly seven watches. Dialogue: 0,0:02:29.10,0:02:29.89,Default,,0000,0000,0000,,Let's do one more. Dialogue: 0,0:02:29.89,0:02:31.39,Default,,0000,0000,0000,,This is kind of fun. Dialogue: 0,0:02:31.39,0:02:33.91,Default,,0000,0000,0000,,A zookeeper created the\Nfollowing stem-and-leaf plot Dialogue: 0,0:02:33.91,0:02:36.52,Default,,0000,0000,0000,,showing the number of tigers at\Neach major zoo in the country. Dialogue: 0,0:02:36.52,0:02:39.79,Default,,0000,0000,0000,,How many zoos have\Nmore than 24 tigers? Dialogue: 0,0:02:39.79,0:02:42.84,Default,,0000,0000,0000,,So we can ignore the\Nzeros and the teens Dialogue: 0,0:02:42.84,0:02:44.11,Default,,0000,0000,0000,,and we get in the 20s. Dialogue: 0,0:02:44.11,0:02:45.20,Default,,0000,0000,0000,,This is 25. Dialogue: 0,0:02:45.20,0:02:46.46,Default,,0000,0000,0000,,So that meets the criteria. Dialogue: 0,0:02:46.46,0:02:48.88,Default,,0000,0000,0000,,And then you go to 28, 29. Dialogue: 0,0:02:48.88,0:02:51.81,Default,,0000,0000,0000,,So all of these in the 30s and\Nall of these right over here. Dialogue: 0,0:02:51.81,0:02:53.72,Default,,0000,0000,0000,,This 3, 0-- this\Ndoesn't mean 0 tigers. Dialogue: 0,0:02:53.72,0:02:54.87,Default,,0000,0000,0000,,This is 30 tigers. Dialogue: 0,0:02:54.87,0:02:56.52,Default,,0000,0000,0000,,This is 40 tigers. Dialogue: 0,0:02:56.52,0:03:02.48,Default,,0000,0000,0000,,So we count 1, 2, 3,\N4, 5, 6, 7, 8, 9, 9 Dialogue: 0,0:03:02.48,0:03:05.42,Default,,0000,0000,0000,,zoos have more than 24 tigers. Dialogue: 0,0:03:05.42,0:03:06.65,Default,,0000,0000,0000,,9 zoos. Dialogue: 0,0:03:06.65,0:03:08.40,Default,,0000,0000,0000,,And we're done.