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Data analysis and working on spss
This document discusses how to analyze data and perform various statistical tests using SPSS software. It explains how to open data files, enter data, and access the SPSS data editor window. It then covers determining descriptive statistics like frequencies, means, and medians. Finally, it demonstrates how to conduct t-tests, ANOVA, correlation analysis, linear regression, and create scatter plots in SPSS.
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Data analysis and working on spss
- 1. Data Analysis andWorking on SPSS Dr. Senthilvel Vasudevan, M.Sc., M.Phil., DST., PGDBS., Ph. D, Lecturer in Pharmacy (Biostatistics), Dept. of Pharmacy Practice, College of Pharmacy, KSAU-HS, Riyadh, Saudi Arabia. Research Methodology II (CAMS 412) Lecture: 6 Date: 23/10/2016
- 2. Characteristics of aNormal Distribution
- 4. • About 68%of values drawn from a normal distribution are within one standard deviation σ away from the mean. • About 95% of the values lie within two standard deviations • About 99.7% are within three standard deviations. • This fact is known as the 68-95- 99.7 (empirical) rule, or the 3- sigma rule. Normal Distribution and Standard Deviations
- 5. Critical Region andConfident Region Normal Curve 95% C.I Level of Significant 5% Ho – Null Hyp. H1 – Alt. Hyp.
- 8. Hypothesis Test andOther Related tests
- 9. Various Types ofTests Depending on the Samples
- 10. Data Analysis UsingSPSS Software
- 11. SPSS Data EditorWindow When you start a session, you see the Data Editor Window. • Before you can analyze, you need some data to analyze.
- 12. Getting a DataSource To open a data file: From the menu bar choose File > Open > Data Sheet…. Alternatively, you can use the Open File button on the toolbar.
- 13. Data Entry inSPSS
- 14. How to Analyzethe data in SPSS
- 15. How to DetermineDescriptive Statistics in SPSS Using the Frequencies Dialog Window 1.Open the Frequencies window (Analyze > Descriptive Statistics > Frequencies) and double-click on variable Rank. 2.To request the mode statistic, click Statistics. Check the box next to Mode, then click Continue. 1.To turn on the bar chart option, click Charts. ... 2.When finished, click OK.
- 16. How to DetermineFrequencies in SPSS
- 17. Finding Mean, Median,Mode and Other measurements
- 18. Results: Analysis ofFrequency of the Data
- 19. How to DetermineDescriptive Statistics in SPSS
- 20. Results of DescriptiveStatistics
- 21. How to doIndependent t – test in SPSS
- 22. Selecting Variables forIndpendent t - test
- 23. Finding Paired t– test using SPSS Software
- 24. Variables selection inPaired t - test
- 25. To find OneWay Analysis
- 26. Variables Selection inOne Way Anova Analysis
- 27. Variables Selection inOne Way Anova Analysis (Contd…)
- 28. One Way AnovaResults, P – Value and Significance Result: Here, p – value = 0.027 (p < 0.05) Statistically Significant.
- 29. Example: Results ofOne Way Anova Analysis Result: Here, p – value = 0.027 (p < 0.05) Statistically Significant.
- 30. To find CorrelationCoefficient in SPSS
- 31. Variables selection forCorrelation Coefficient in SPSS
- 32. p – value< 0.01 Highly Statistically Significant Result of Correlation Coefficient in SPSS
- 33.
- 34. How to doLinear Regression in SPSS
- 35. Variables selection forfinding Linear Regression
- 36. Statistics Selection inLinear Regression
- 37. Results of inLinear Regression
- 38.
- 39. Test Procedure inSPSS Statistics • Click Graphs > Chart Builder... on the top menu as shown below: ... • You will be presented with the following screen: ... • Under the Gallery Tab ( ), select the Scatter/Dot option and the simple scatterplot icon (top-left icon). To Draw a Scatter Plot or Graphs Using SPSS
- 40. Scatter Plot orGraphs for Many Values Using SPSS
- 41.