# Statistical Analysis

985 words - 4 pages

In the unit three individual project, the assignment called to perform a t-test to compare the means of two groups of data. The two sets of data that were chosen are the intrinsic and extrinsic. The intrinsic being the feeling of job satisfaction with the individuals job and extrinsic that of overall satisfaction with the company. The hypothesis contained in the unit three project stated that employees are more satisfied with the job that they perform and are less satisfied with the company that they work for because of certain job policies. The alternate hypothesis is that company policies have no effect on if an employee is satisfied with their job.By taking the sum of both columns and finding the means of the intrinsic and extrinsic followed by finding the difference. Then the next step is calculating the variance of each group and dividing it by the number of people surveyed, followed by squaring each amount. When each row is squared, the sum must be divided by the number of people in the survey minus one. This will give the standard error of the difference between the means. Then by finding the degrees of freedom, the t can be calculated. The final answer is the t is +2.66 giving the result that 0.9961 that employees are satisfied with their job, but not with the company, they work for. This gives the answer that the hypothesis is true, because there is over a 99% chance that employees are satisfied (T-Test). While conducting the chi- test, the null stated that over half of the employees surveyed were female. The alternate null is that there are more males that were surveyed. Then by stating the expected amount of surveyed and the amount that were survey one can figure the correct amount. By figuring out if the distribution is significant to the expected amount, the formula can be completed.For the second part of the assignment, it is important to look at job satisfaction and how it relates to the hypothesis in the first section. Job satisfaction is an appraisal of the perceived job characteristics and emotional experience at work. It represents a persons evaluation of ones job and work context (Bajpai, Srivastava). Many factors determine an individuals job satisfaction. They may be satisfied with one or two aspects of their job and be dissatisfied with others. The most important factors for favorable job satisfaction are mentally challenging work, equitable rewards, supportive working conditions, and supportive colleagues (Lock 1976).After evaluating one-hundred bank employees each were asked on a scale of one to four with four being satisfied, what is the key contributor to job satisfaction. The null hypothesis is at the average bank the greatest reason for job dissatisfaction is pay. ...

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2077 words - 9 pages ... with diabetes. “Statistical Methods in Medical Research” on “Advanced ROC Analysis” ROC stands for Receiver Operating Characteristic analysis, widely used in diverse scientific fields for evaluation of quality diagnostic test/biomarker or score/model. The “Quality” is measured through indices for diagnostic accuracy which are used in ROC framework. This field of research has fascinated interest of an audience of researchers for the development ...

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618 words - 3 pages ... fortunate to do invaluable work experience with the Highways England Performance Analysis Unit (PSU); this unit is responsible for measuring a number of key performance indicators that monitor activity and economic outputs on the Strategic Road Network (SRN).  One of the key measures that this unit analyses is the Incident Delay Statistic. Critically, using one internal system lacked the fleet information that was held within an external system ...

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## Locate, Read, And Review The Following Article: Miller, Toyah And Del Carmen Triana, Maria. 2009. Demographic Diversity In The Boardroom: Mediators Of The Board Diversity–firm Performa...

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737 words - 3 pages Free ... potential problems, due to too many ratio to evaluate one company, it would make people confused to classification results. Financial ratio also be restrict on different industries and size such as Moody’s company (Beaver, 1966). Based on Beaver, Altman(1968) proposed Z score which has rigorous indicate to analysis whether a company have bankruptcy. Burberry, Mulberry has relatively safe score that is all above three, that is lower risk of ...

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3208 words - 13 pages Free ... , decode and describe the significances of a phenomenon. The entire process is operational under the parameter of interpretative paradigm that can minimize illusion and share subjectivity under contextualization, authenticity and complexity of the investigation. (Soros, 1987)The basic advantages of qualitative measures are multifold. Firstly, it presents a completely realistic approach that the statistical analysis and numerical data used in ...
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