Statistical Analysis Math Speech or Presentation

Statistical Analysis mathematics - Speech or Presentation ExampleThe entire student creation of the US has been divided into nation/territories as different strata. Samples be then obtained from each stratum. The advantages of this technique areThis structure and design of the relative frequency table was chosen because it makes it easier to analyze data using tools such as Microsoft Excel and SPSS. It is also elemental to extract data from or to do cross tabulations. As you can see the measures of central drift mean, mode and median have been easily calculated using MS-Excel. The section in Table 1 written N/A shows no mode / multimodal data.From chart 2 we can conclude that rove 12 students had the mettlesomeest percentage mean of those who rarely or never wore a seat belt when sit in a car driven by someone else. This is different from Chart 3 under which shows us that Grade 9 had the highest percentage median of the same data. This implies that the data has extreme value s.From charts above and to a lower place looking at the samples for gender we see we have a skewed distribution. We can see considerable right-tails which implies positive skewness. A normal distribution is symmetric and has a skewness value of 0. The standard divergence is a measure of distribution around the mean. In our case the standard deviation is very high when compared to the mean, 9.066 for Male data and 9.575 for Female data. This means that our data has a very wide spread from the centre.a. Parameters are numbers that are used to cover characteristics of an entire population while statistics are numbers that describe characteristics derived from a sample that has been drawn from a larger population.The standard deviation is a measure of dispersion around the mean. It is the positive square root of the variance. Range is the difference between the highest and lowest values in a sample or population. The inter-quartile range is got from the difference between the 3rd a nd 1st quartiles of the sample/population data.b.