Slide 1

By: Anthony DeFrancesco, Dylan Dzedzy and Matt CohenHistoryFounded in 1983, originally named Babbages, inc. B&N launches GameStop chain first in 1999400 FuncoLand video game stores were acquired by B&N and changed the name to GameStop, inc.Becomes an actual corporation in 2001 B&N invests 67% stake in GameStopThe remaining 33% was distributed to GameStop shareholdersMaking GameStop a fully independent corporationLargest player in the U.S. specializing in video game retailFirst home console ever was the Atari 2600

First GameCreated by Ralph BaerIn May 1966 created the brown boxPlayed one game with a colleague and lost!It was a game of tag where two dots chased each other ona screen

SummaryWe split up and each went to 2 different GameStop locations, 6 total (Willow Grove, Airport Square, 2 in Montgomery Mall, 2 in Doylestown Township(1 by Redners and one by Kohls))We stayed at each for 2 hours and observed games bought by every 3rd person who purchased a gameWe noted the price, age of the buyer, rating, and the game system the game was bought forWe collected data from 51 subjects and made 2 Chi-Squared GOF tests1 for rating and one for price We also did a 1-SampleT-Test of the mean $s spent hourlySummaryAge CategoriesKids(0-12), Teens (13-19), Young Adult (20-30), Middle Aged (31-59), Senior Citizen (60+)Price Categories0-20, 21-40, 41-60, 61+Game System CategoriesWii, PS2, PS3, X-box, X-box 360, GameCube, PSP, GameBoy, Nintendo DS Rating Categories(See next slide)

Data

Price ranges of games boughtOut of our sample of 51 people, not very many people seemed to spend $61 or greater on a gameA majority of the people are in the middle range of 21-40As well as 0-2041-60 is close to what the category is expected to beIt appears as though people spend on the low end for gamesThey possibly wait till new games decrease slightly in price, and then purchase themAge of people who bought games The purchase of games was most by Teens and Young AdultsTeens 13-19Young Adult 20-30Makes sense because those age groups generally play video games the mostNot many senior citizens or kidsGames cost money and parents have to drive their kids if they want a gameSenior citizens were probably buying games for grandkids, they generally dont play video games because when they were younger they didnt have the technology around todayPercentage of each game rating boughtNearly 50% of the games bought were rated TeenEveryone and Mature were both equal making up about 20%EC and E10+ were equal, they nearly each made up 6%No one purchased any AO gamesThere were possibly not even any there to purchase% rounded to nearest 1,000thEC = 5.9%E = 19.6%E10+ = 5.9%T = 49.0%M = 19.6%AO = 0%Game SystemThe System games were more commonly bought for was the Xbox 360, then WiiOut of the games bought, PC games were the least popularThe PS3 also had a good amount at about 16%The PSP, GB and the Nintendo DS were all relatively closeThey are all the only 3 handheld systems so it makes sense

% rounded to nearest 1,000thWii = 29.4%PS3 = 15.7%PSP = 7.8%GB = 7.8%DS = 5.9%PC = 2%Xbox360 = 31.4%- non-stated are 0Conclusions on PopulationAccording to our SRS..The population for people who buy games at GameStop is mostly teens and middle-aged peopleThe fewest are Senior citizensThe genre of games purchased is mostly TeenMature and Everyone are tied for secondThe most uncommon of ones purchased are E10+ and ECThe two game systems most games are bought for are the Xbox 360 and the WiiPS3 is third to themThe least purchased are PCProbably due to the lack of quality, the use of a keyboard, and the graphicsThe majority of games are between the price range of 21-40 dollarsA close second is 0-20People tend not to spend on the highest end of game pricesThe least bought were in the 61+ categoryMost likely because the gap between a game of 59.99 and the next price is greatEx: Rock Band ($140). Our outlierChi-Square GOF Test on PriceHo: The observed frequency distribution of the range of price per videogame sold fits the expected distributionHa: The observed frequency distribution of the range of price per videogame sold does not fit the expected distributionalpha = 0.05Assumptions:StateSRSAll expected counts > or = 5CheckAssumedXAlthough all the assumptions have not been met, we will carry on with the Chi-Square Test

Chi-Square = E(observed-expected)squared expected (17-12.75)squared + (22-12.75)squared 12.75 12.75Chi-Square = 19.196P(Chi-Square > 19.196/df=3) = 2.4903 x 10^-4Conclusion: We reject Ho b/c p-value < alpha = 0.05We have sufficient evidence that the observed frequency of the range of price per videogame sold does not fit the expected distribution

Chi-Square GOF Test on RatingHo: The observed frequency distribution of game ratings of games bought fits the expected distributionHa: The observed frequency distribution of game ratings of games bought fits the expected distributionalpha = 0.05Assumptions:StateSRSAll expected counts > or = 5CheckAssumedCheckAll assumptions have been met

Chi-square = E(observed-expected)squared expected(3-8.5)squared + (10-8.5)squared 8.5 8.5Chi-square = 48.176P(Chi-Square > 48.176/df=5) = 3.269 x 10^-9Conclusion:-We reject Ho b/c p-value < alpha = 0.05- We have sufficient evidence that the observed frequency of game ratings of games bought does not fit the expected distribution

1-SampleT-Test of the Mean Price Spent HourlyHo: M = 42.393Ha: M < 42.393alpha = 0.05Assumptions:StateSRSStd. Dev. KnownNormal pop. Or n > or = 30CheckAssumedCheckn = 51 > or = 30 (check)

t = x M = -2.0207 s/ nP(t < -2.0207) = .0243

Conclusion: We reject Ho b/c p-value < alpha = 0.05We have sufficient evidence that the true mean price spent on video games at GameStop hourly is 35.843 dollars

ApplicationRatings lean more toward mature and teenOlder people tended to be at GameStop more often, buying games like shootersMore money to do soThe observed price per game tends to not fit the expected price per game distributionAverage hourly price seems to be around $35.84 compared to the claimed $42.39Games bought anywhere for $10-60, with an outlier at $140We rejected all of our testsGeneral ObservationsThe population for people who buy videogames from GameStop tend not to follow a trend by buying certain games more likely to be in a category such as price, rating, genre, or genderThey tend to buy games according to what is popular, or what is new at the time of purchaseThe sample also tends to prefer certain locations of GameStopsWe did not test this, however it was observed upon compiling our dataAirport square favored, Mall not so much

Bias/ErrorThe day we went was relatively close to the release of a new game called Red Dead Redemption, which was a common sellerThis could have falsely increased the numbers in certain categories of dataOnly observed local GameStop'sMore wider ranges could have been observedAnother day spent at GameStop at another time could have eliminated some of these lurking variables

Personal OpinionsWhen I was in the kids category, I didnt keep up with new releases of games, I went into GameStop simply to look around and bought games simply according to what I sawAs I got older, I only go to GameStops when I know what I want, usually only when a new game comes outWe saw some people who did in fact come knowing what they wanted (a new game)I believe this project was a little difficult to collect data for because of a lack of availability of the group membersI also believe it was hard to pick an interesting/do-able topic considering there were not allowed to be any repeats from the past