# IB Math Studies Chi Square IA

Powerful Essays
Predictability of Social Media Usage to Grade Averages

IB Math Studies

Spring 2013

Introduction/Purpose……………………………………………………………..p.3

Data Collection Method……………………………………………………….....p. 3 - 4

Data Analysis: Chi-Squared Statistic

Frequency Table…………………………………………………………p. 4 - 5 Contingency Table……………………………………………………….p. 5 – 6

Chi – Squared Statistic…………………………………………………...p. 7

Degrees of Freedom………………………………………………………p. 7

Critical Value……………………………………………………………..p. 7 – 8

Conclusion……………………………………………………………………....p. 9 - 10

Introduction/Purpose Predictability is the degree to which a correct prediction or forecast of a system’s state can be made quantitatively. It is necessary to achieve maximum productivity or potential when completing a task. The ability to foresee an occurrence before others allows one to alter different aspects in time to garner the utmost productivity. The question that has been plaguing today’s generation is the use of social media sites, and their consequences on our lives. A restaurant only orders an amount of food adequate for its needs. If the restaurant orders more than it needs, then the extra food will spoil and the restaurant will lose some of its inventory. A trader that has inside information on a corporation may sell his stock minutes before the price drastically falls, saving himself a loss of hundreds of dollars. Likewise, a student able to predict his or her grade depending upon social media usage would hold a valuable asset in determining what students need to do in order to pursue a particular grade average.
I will conduct my project on the principle that students spend time on popular Web sites like Twitter or Facebook on a daily basis and the affect will appear on the outcome of his or her grade (per semester). Is there a significant correlation between a student’s average grade and the time spent on social media

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