Requirements: （Using IBM SPSS STATISTICS 22 OR 21）
You are required to answer the TWO questions below.
Relevant data are on a separate sheet
ALL STATISTICAL ANALYSIS SHOULD BE UNDERTAKEN USING SPSS.
- Question1.
A study provided data on variables that may be related to the number of weeks a manufacturing worker has been jobless due to layoff. The dependent variable in the study (WEEKS) was defined as the number of weeks a worker has been jobless due to a layoff. The following independent variables were used in the study:
AGE: The age of the worker
EDUC: The number of years of formal education
MARRIED: A dummy variable: 1 if married, 0 otherwise
HEAD: A dummy variable: 1 if the head of the household, 0 otherwise
TENURE: The number of years in last job
OCCUP: 1 if management occupation, 2 if sales occupation, 3 other occupation
The results of this study are provided on your data sheet.
(a) Analyse the data using multiple regression techniques.
(b) Provide a summary of your findings, suitable for inclusion in a management report.
- Question 2.
A manufacturing company designed an experiment to determine whether the number of defective parts produced by two machines differed and if the number of defective parts produced also depended on whether the raw material needed by each machine was loaded manually or by an automatic feed system. The data are given on your data sheet.
(a) Analyse the data using appropriate statistical techniques.
(b) Provide a summary of your findings, suitable for inclusion in a management report.
Your answers to both questions should:
- Include SPSS output with a full interpretation, stating, and assessing where appropriate,
- The assumptions underpinning the tests
- Indicating any hypotheses that you are testing.
- Other Submission Details:
- Your submission is aimed at an audience familiar with statistical techniques
- You are required to provide a summary of your analysis suitable for inclusion in a management report. (For both Question 1 and Question 2)
- You should provide a full description of the results of each analysis, providing details of any hypothesis tests undertaken, stating (and testing where appropriate) the assumptions necessary for them to be valid, and referring to key statistics to demonstrate how you have arrived at your final conclusions.
- Your submission should conform to the required standards (All statistical analysis must be produced using SPSS. Graphs and tables should be clearly titled and numbered)
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