Statistics Essay

IQ and Politics Michelle Chan, Derek Chen, Ashley Hwang, Benjamin Sadun San Marino High School, AP Statistics, Period 2 Advanced Statistics Project III: IQ and Politics "The great thing about democracy is that it gives every voter a chance to do something stupid - Art Spander." When the Constitution was drafted, the first Republicans like Alexander Hamilton worried about mob rule, the idea that the common people would be unable to make intelligent votes and consequently vote for the wrong man. After the recent controversial election of November 2004, web sites popped up all over the web denouncing the supposed...

Introduction Statistics Essay are used everyday in life, and are very important in the everyday world. One important use of statistics is to summarize a collection of data in a clear and understandable way. For example, if a psychologist gave a personality test measuring shyness to all 2500 students attending a small college, How might these measurements be summarized? There are two basic methods: numerical and graphical. Using the numerical approach one might compute statistics such as mean and standard deviation. These statistics convey information about the average degree of shyness and the degree to which people differ in shyness....

In this article, the authors attempt to answer the research question of whether or not the link between an individual's organizational citizenship behavior (OCB) and the score they receive on their performance evaluation is affected in any way by gender. OCB is described by the authors as actions that are performed by individuals that go above and beyond what is expected of them as per the requirements that are listed on their job description. For the purpose of this study, the authors looked at five identifying factors of OCB. These factors include altruism, conscientiousness, courtesy, sportsmanship, and civic virtue. By...

In this article, the authors attempt to answer the research question of whether or not the link between an individuals organizational citizenship behavior (OCB) and the score they receive on their performance evaluation is affected in any way by gender. OCB is described by the authors as actions that are performed by individuals that go above and beyond what is expected of them as per the requirements that are listed on their job description. For the purpose of this study, the authors looked at five identifying factors of OCB. These factors include altruism, conscientiousness, courtesy, sportsmanship, and civic virtue. By...

Statistics Case Study-1 AgeWeeks Employed 5521 3018 2311 5236 4119 2512 427 4525 256 4021 2513 2511 5934 4927 3318 3520 a. AgeWeeks Employed Mean37.75Mean18.6875 Standard Error2.974195Standard Error2.188452 Median37.5Median18.5 Mode25Mode21 Standard Deviation11.89678Standard Deviation8.753809 Sample Variance141.5333Sample Variance76.62917 Kurtosis-1.17143Kurtosis-0.21626 Skewness0.337402Skewness0.522601 Range36Range30 Minimum23Minimum6 Maximum59Maximum36 Sum604Sum299 Count16Count16 Confidence Level(99.0%)8.764138Confidence Level(99.0%)6.44877 b. 99% confidence interval estimate for mean age of newly hired employees; 37.75 V 8.76 = 28.99 to 37.75 + 8.76 = 46.51 c. Hypothesis: Decision Rule: Reject Ho if t > t-critical Do not reject Ho if t < t-critical t-critical = t0.01,15 =2.602 0.771 < 2.602 Therefore, at a 99% Confidence Level...

Do you have a friend or relative that has problems with their boyfriend or girlfriend, wife or husband? These types of relationships are very common in society. Lots of couples are together for all the wrong reasons. Some of the reasons are attraction, money, lonely, family, friends, and blind love. For example, your friend has been going out with a very beautiful lady for one year. Every time you see them they are fighting over some ridiculous event or thing. You wonder how these two stay together. Some of the reasons that they have fought are “we don’t spend enough...

Probability Complement Law - P(A) = 1 - P(A) Laws Of Addition -P(A B) = P(A) + P(B) - P(A B), if A and B not mutually exclusive P(A B) = P(A) + P(B), if A and B are mutually exclusive Conditional Probability - P(A|B) = P(A B) P(B) Independent Condition - If A and B are independent, P(A B) = P(A) x P(B) Laws Of Multiplication - If A and B are dependent, P(A B) = P(A) x P(B|A) or P(A B) = P(B) x P(A|B) Descriptive Statistics Population Mean, m= all values N Sample Mean, x = all...

Research Project Problem Statement: Would restrictions on young drivers in New York State save lives? Discussion: For teenagers obtaining a driver's license is a dream come true. A driver's license means freedom, fun, and becoming an adult. For the parents of these teenagers this event brings images of speeding cars and car crashes. When young people (ages 15-19) are in the beginning stages of driving, they are inexperienced and have poor judgment. Young drivers are less responsive in hazardous situations, have difficulty obtaining control of a vehicle, and managing speed control. Due to teenagers lack of experience and over confidence,...

From the reading that Ive been doing on polling it seems that everything has some effect on the results. It seems like most of the polling biases come from the question and the questioner. If the question leads you to think about something else, whether it be positive or negative, it can change the results of the answer. If the person conducting the poll has an opinion of the question they can shape the outcome. Also the gender of the person conducting the poll can change the answer. Also, sometimes if people arent completely sure they might just say whats...

Statistics Project I aim to compare mass-appeal tabloid newspapers and quality newspapers by attempting to find statistical differences. To represent the mass-appeal papers, I chose the Daily Mirror and for the text-quality based newspapers, I chose the Times. Hopefully, there will be some significant statistical differences in the style of journalism which I will be able to comment on. Pre-Test : I decided to choose similar pages from both the Times and the Mirror with roughly equal numbers of paragraphs and adverts, pages 4-5, or 4-6, as in the Mirror there were not enough to take samples from. To find...