Hypothesis Testing Essay Example | Topics and Well Written Essays - 250 words - 1

Hypothesis Testing - Essay Example These projections are based on the average marks for the whole class in which those parents get the insights of their students’ performance before, the results are out. Therefore, the null and alternative hypotheses may be stated as; From these two propositions, the first one (H0) is the null hypothesis while the H1 is the alternative hypothesis. Such an idea is based on the idea of probability and the rejecting the null hypothesis may be influenced by different factors (John, 2007). If the students do not revise well and cover the expected chapters, their performance will be adversely affected and the chances are high that they will not attain the mean mark of 50%. Therefore, under such circumstances the null hypothesis will be rejected and conclude that the mean mark was less than 50%. However, Type I error may occur whereby the H0 is rejected while the students had performed to the average mark. Such an idea may be caused by computational errors or using a poor approach (John, 2007). On the other hand, we could accept the H0 and conclude that the mean mark was on average of 50% when on reality the mean mark was less than 50%. Such an aspect allows the tutor to report a false result (John,

Life of Beatrice Sutrisno Essay Example | Topics and Well Written Essays - 500 words

Life of Beatrice Sutrisno - Essay Example All of my relatives and friends have some weird trifles†¦My brother has a pet snake and an alligator! Imagine, but I used to these two small and gentle creatures from the world of animals! Actually, I am an open-hearted person, because I can listen to others, help people and be interested in a real and a worthy friendship. I am also a hard-working person because from my childhood my parents explained to me how it is important to be a professional, an independent person and to live a worthy life. I always did my best to study well and I like to study very much. The process of learning itself seems very interesting to me. I can surely claim that in my life I experienced many ups and downs, but I have never lost my faith in a better! I can work and study eagerly because I hate truancy, laziness, and all those destroying factors, which are harmful to a human nature. To my mind, one can reach success only if he tries and works hard. Otherwise, there is no chance to be the best one. T herefore, I would like to be a successful business lady or a leading psychologist in America and internationally. For this purpose, I study and work hard, devotedly and passionately. What is really unusual about me is that my excessive stubbornness and nicety in study and work often irritate other people, but I like to do everything I do devotedly and at full speed! I think that my friends and group mates can often laugh at my precise nature, but when I am working at my seminars, the end justifies the means.