Evaluation Research Essay Example | Topics and Well Written Essays - 500 words

Evaluation Research - Essay Example Maps, graphs or charts can be used to provide average (mean, mode and median) which is then employed in reporting results of a certain survey or experiment presented in the graphical displays. The mean, mode and median would be quite differing from each other depending on the data presented. Each will present a different result Sometimes graphical displays such as charts and graphs present ordinal data that does not require mean. Mean in this case becomes meaning less and would therefore present misleading information. Some graphs provide misleading information if they don’t provide the right scale which represents the actual variable. The use of magazines and newspapers sometimes give meaningless information with colorful pictures which are simple to represent survey responses and public opinion (Chudler, 2009). Therefore one has to be careful while reading these results. There is need to understand the nature of information being presented what most appropriate approach to present it. One has to be careful while making comparisons and as well use the independent variables to make comparisons. Descriptive statistics are employed in quantitative terms to describe the most significant data collection features. They are distinguished from inferential statistics or inductive statistics in that they target to summarize quantitatively a set of data instead of supporting inferential statements regarding population which are represented by the data. Even when inferential statistical analysis is used to analyze data and draw conclusions more general presentations are done with more formal analyses by use of descriptive statistics to provide the audience with a sense of the analyzed data (Supercourse, 2009). Supercourse (2009) further asserts that examples of descriptive statistics include measure of central tendency, measure of association, measure of dispersion, histogram and cross-tab as well as