Mathematics and statics for economists Statistics Project

Mathematics and statics for economists - Statistics Project Example The sample data for happiness is positively skewed which means that most people interviewed has a positive happiness level. The kurtosis of 15.41579212 shows that the probability of extreme values is less than for a level of happiness, and the values are wider spread around the mean of 4.820680628. The histogram gives a clear graphical representation of positive kurtosis and skewness. The data are concentrated to the left of the mean level of happiness representing a general positive level of happiness among the sample population. In a nutshell, the data is positively skewed but with a median of 5, the data is almost normally distributed considering that the mean is 4.820680628. From the Anova results above, the P value 0.00 while the significance level ÃŽ ±=0.05. The P value 0.00 The correlation results show that level of happiness and means of traveling to work exhibit a positive association. The correlation coefficient is 0.819346. This happiness and means of travelling travel in the same direction. The regression equation shows the relationship between happiness and means of travelling travel in the same direction. According to the regression line, an increase of means of travelling to work by one unit will increase the level of happiness 2.740298 when all factors are held constant. From the regression result, means of traveling to work positively influence the level of happiness. This means the two variables exhibit a positive relationship. The results according to the link above show that there effects of commuting to the level of happiness at

Comparing between iPhone and Blackberry Essay Example | Topics and Well Written Essays - 500 words

Comparing between iPhone and Blackberry - Essay Example The different features of the Blackberry make it an exceptional tool for office tasks and work. It has new features that allow for corporate leaders to make conference calls using the handheld devices. The iPhone is somewhat limited in this application. In terms of e-mail, it can help in office management by allowing for office managers to communicate to their subordinates. It is also reliable and efficient when it comes to its security features (Dann & Dann, 2011). When it comes to work related issues, the Blackberry is the device for the job. This is because; its security and support for Microsoft tools are exceptional. This makes it a device that protects information that needs protecting when it comes to company issues. In terms of voice recognition, the Blackberry is limited in this capability, unlike the iPhone. The introduction of the iPhone is creating challenges for the Blackberry, and this competition is nothing like what the Blackberry has ever seen in the industry. The iPhone is offering the Blackberry competition in terms of the features it has that capture a wider audience than just the corporate individuals. It is changing the manner in which people use their handheld devices. Some of the features it has include its applications, entertainment, its usability, and typing capabilities. These are what most people need to watch out for in the iPhone. However, some of these features are also in the Blackberry device, and it is the most preferred device by corporate, business people (Dann & Dann, 2011). In terms of applications, the iPhone offers more than what the Blackberry does. Many applications on the iPhone are the easiest to make. This makes it one of the simplest devices to make applications for, thus; the worldwide acceptance. Corporate heads are the target market for the Blackberry. It, therefore, has less