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# Homework: Week 6, Chapter 6 - Essay Example

Summary
Its scope includes research and data analysis for “decision-making”. This paper seeks to explore a case study and to reflect the topic “test of hypothesis”.
Given that a…

## Extract of sample"Homework: Week 6, Chapter 6"

Download file to see previous pages However, he must explain that the claim is made at a 95 % confidence level. On the other hand, the researcher cannot offer a definite number to express the population proportion that is expected to favor the issue. This is because there is an expected variation in responses between the selected sample and the general population (Triola, 2011).
As newspaper editor, I would ask the reporter the following questions to ascertain reliability and validity of the findings. Can you validate the source of your data? Was there any biasness in your sample selection? Did you obtain consent over the data?
Test of hypothesis is one of the topics discussed in the course. It defined steps that should be undertaken in a sequence, so that a decision over a phenomenon could be made. The first step is the formulation of the set of hypotheses to be tested. This involves both numerical and statement expression of an opinion as a null hypothesis and a contradictory statement as an alternative hypothesis. The null hypothesis and the alternative hypothesis must, however, be mutually exclusive with an identifiable boundary for ‘decision-making’. Once the set of hypotheses is stipulated, applicable test statistics and level of significance are determined and used to set critical value. A computed value, based on the statistic and the set of data for analysis, is then computed for comparison with the critical values. A computed value that falls within the acceptance range means that the null hypothesis is not rejected, while a computed value that falls outside the acceptance region implies rejection of the null hypothesis. A conclusion is then made with respect to the formulated statements of hypothesis (Triola, 2011).
Though the procedure of testing a hypothesis is well defined, there are a number of challenges in its application. Determination of applicable test is one of the challenges faced, because it requires knowledge of ...Download file to see next pagesRead More
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