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The following data show the number of rental cars in service for three rental car companies:Hert. Avis, and Dollar. The data are for the years $2007-2010$ and are in thousands ofvehicles (Auto Rental News website, May $15,2011 )$ .a. Construct a time series graph for the years 2007 to 2010 showing the number of rentalcars in service for each company. Show the time series for all three companies on thesame graph.b. Comment on who appears to be the market share leader and how the market shares arechanging over time.c. Construct a bar chart showing rental cars in service for $2010 .$ Is this chart based oncross-sectional or time series data?

a. See graphb. Hertzc. Time series

Intro Stats / AP Statistics

Chapter 1

Data and Statistics

Sampling and Data

Descriptive Statistics

???Felicia S.

October 22, 2020

Temple University

Oregon State University

University of St. Thomas

Idaho State University

Lectures

0:00

02:13

Car rental rates per day f…

07:33

Concern the cost, $C,$ of …

03:40

The article "Car rent…

04:15

Rental Car cost The cost t…

06:34

A luxury car rental compan…

03:11

A car rental company struc…

06:36

Transportation According t…

04:49

$[\mathbf{M}]$ In Detroit,…

08:47

A new car that costs $$\$ …

03:04

a. How much does it cost t…

Hey, everyone, today we're solving problem number 14. Uh um chocolate in section two of your textbook. So let's jump right into it. In part A. You're asked to draw time series graph, um, off the car sales for all three companies from 2007 to 2000 Tech. So, um, in times, years graphs, When you're making them the year or any, you know, the time element always goes on the Y axes and then your number of cars and service I'll just write cars here will always go about their variable Essentially will always go on the x axis. I mean, on the y axes, whereas the time always goes on the X axis is so again we have 07 08 So I and just 10 something like that. 07 I got 07 is representative of the year 2007 08 is representative of the year 2008 09 is representative of the year 2000 and nine and finally, 10 was the representative of the year 2010. All right, And then you look at your maximum value in terms of number of cars and service and top and thousands. And for hurts, it's somewhere above 300 but below 350. So I'm gonna make a scale by 50 for this particular problem, Hogan. 350. I wasn't course. And service is going to be my max for my wife. Value on the scale at least. Not like Max about you. I'm gonna go by fifties of 50. 100 1 50 200. I want too small. Go. 50 100. 150. 200. 250. 300. So I can just leave it by 50. So you have 50 and obviously this would be 100 101 150 would be here then. I don't know the 5200. And then you have 250 here so again goes up by fifties. All right, now we're time. It's time to grab. Um, I recommend making key here. So right. A key for your graph, in part at least. And the reason for making he is to kind of just show what different colors if you're using different colors when you're drawing this final answer or different shapes. So like if I had a star on with different instead of a dot on them in like an ex The ex represent Avis story represent hurts don't represent dollar. You could do something like that. But since I have the colors on this my port, I'm going to utilize that. So, God, for my key for a I'm going to say anything red. So ride thought or a red line is always gonna, um, indicate something about their hurts. Car company. All right, then we'll say green. It's a green dot or green line would be indicative of values for Avis and the line that we're gonna make it. And then last but not least, I have blue. So blue obviously has to represent anything blue on my graph pasta represent information regarding dollars company for their cars and servers from 2007 to 2010. So now we're just basically in a graft. The data, um for hurts. I can see that I'm going to have a raffle. It's like this. So a little bit about 2 300 then a little bit below that. But still look 300 that dips below. I'm drinking too, that it picks back up just a little bit in 2000 gone straight lines. Probably easier. D'oh! With a pen and paper on. Then we're moving on to Avis again. This is just graphing Tina points, guys. So in 2007 Avis, how little bit over 200,000 Parcel service that I went off in 2008 beholding about 2 52,009 It's shot up close to 300 and then, oh, Tana, dip below Hertz value. But again, just by a little bit. Not too much. So again, connect the dots with straight lines, try a bus to make it street and the beautiful thing about her keys. Now we don't have to tell her. We already told our reader with our key, but all the colors, record sights. Um, So with dollar above 1 50 it started out in 07 That in 08 Um, it dipped below 1 50 Just minimally, I think, 09 dipped a lot 10 just but very even space. Not much difference in 09 and 10 for a dollar. So there you have it. There's your times. Here's Graf again with times, Here's graphs you connect all your points of straight lines and on the X axis is always going to be your time. All of it. Moving on to part two. Any of the questions which asks us for the first part Time to figure out what the market share linger is in terms of, um, number of car sell sold in thousands from 2070 laws and attend. So if I look at my graph, I see specifically that the red is leading the charge and the red is hurts, So hurts gonna be you're a guy. This is all based off of the graph you just drew, as will typically be the questions with stats, they'll follow previous part Always. So that's something good about it. All right? Hertz is your leader. And then if you just wanted to notice different graphical trends, which they do ask about, um, I'll just say it out loud for you guys. So Hertz had a general decrease in sales overall, um, they picked up a little bit from 09 to 10 but overall decrease, um A. This was the one that had a drastic increase, especially from 2008 to 2009. But then they had a bit of a dip so leveled off in 2010. But it's still increased overall from 07 to 10. And then finally, dollar howto probably. Yeah, it did have the biggest decrease in cars in service. Uh, there you have it. That's kind of the brief summer you give and then in part, see your astronaut. You are asked to now draw another grab this time a park, Um, for rental cars in service in 2006. I'm just gonna draw by two axes. Mom, again, The year 2000 and 10 is going to be on your ex axes. The different bars are gonna be representative of different companies. So I would have again, I'm using this key for both grafts. So this would apply to this and then this he would have lied about. So I'm just going to make a red mark for Hertz. I got nuts. The beauty of your key could apply to more than one draft if you are soft and more than one part and need to draw a graph into the parts of the question So we know that route is representative. Anything regarding hurts information. Green is representative of anything regarding a this information. And finally, Blue's representative of anything. Great party dollars affirmation and the number, parts and service. And again, um, you're why axes is going to be the same again. It's the number of cars and service I'm not writing. Got out fully. So just like ours. You guys were aware of that. And now we are going to draw our Marga. Um, but the first thing you'd use to make a scale for a buy axes I would choose to start it. Zero kind of drops with lying to show. Get somewhere else that's larger. This is 100 right here. Um, and from 100 onwards in our y axes, I would go up by 25 1 25 1 50 We need to get to 300. Rubber that to 25 2 50 She was 75 300 25. So I'm gonna make that bigger. It's home of space that I just like a 1 25 12 one said to home drug 25 Do you for certainly 3 25 there. So I'm just gonna mark I'm Jake. I mean, the fifties. So 350 200 that all right, now we're going to draw our three our army, our three traps. Where? Each individual. So again, you're only asked about the year 2010. So for Hertz, in 2000 and 10 I had a value of 290,000. So get to 90 somewhere out there, Draw wine there to shave it in. Try your best to shit in. And I'm going to write the value on top of the bar two. All right, um, for Davis in 2000 and 10 my value. Well, I cz 270 so that's gonna be kind of somewhere, but not exactly height, too. Not the same. Height. Never gets as by hurts, Bill, but it's still pretty solid. 270,000 got shade that in much easier dependent papers. 270,000. And then finally, dollar, which did the worst, Uh, it had in 2010. Uh, a total of 100. 1000. We'll be out here 18 Shape that in 108 And there you have it. That is how you saw problem number 14 from chapter one of the text. If you guys enjoyed my video, please of the light. But next to it I hope you all have a nice day. And thank you for watching.

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