Data analysis and working on spss
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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.
Data analysis and working on spss
- 1. Data Analysis and Working 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 a Normal 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 and Confident Region Normal Curve 95% C.I Level of Significant 5% Ho – Null Hyp. H1 – Alt. Hyp.
- 8. Hypothesis Test and Other Related tests
- 9. Various Types of Tests Depending on the Samples
- 10. Data Analysis Using SPSS Software
- 11. SPSS Data Editor Window When you start a session, you see the Data Editor Window. • Before you can analyze, you need some data to analyze.
- 12. Getting a Data Source 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 in SPSS
- 14. How to Analyze the data in SPSS
- 15. How to Determine Descriptive 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 Determine Frequencies in SPSS
- 17. Finding Mean, Median, Mode and Other measurements
- 18. Results: Analysis of Frequency of the Data
- 19. How to Determine Descriptive Statistics in SPSS
- 20. Results of Descriptive Statistics
- 21. How to do Independent t – test in SPSS
- 22. Selecting Variables for Indpendent t - test
- 23. Finding Paired t – test using SPSS Software
- 24. Variables selection in Paired t - test
- 25. To find One Way Analysis
- 26. Variables Selection in One Way Anova Analysis
- 27. Variables Selection in One Way Anova Analysis (Contd…)
- 28. One Way Anova Results, P – Value and Significance Result: Here, p – value = 0.027 (p < 0.05) Statistically Significant.
- 29. Example: Results of One Way Anova Analysis Result: Here, p – value = 0.027 (p < 0.05) Statistically Significant.
- 30. To find Correlation Coefficient in SPSS
- 31. Variables selection for Correlation Coefficient in SPSS
- 32. p – value < 0.01 Highly Statistically Significant Result of Correlation Coefficient in SPSS
- 34. How to do Linear Regression in SPSS
- 35. Variables selection for finding Linear Regression
- 36. Statistics Selection in Linear Regression
- 37. Results of in Linear Regression
- 39. Test Procedure in SPSS 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 or Graphs for Many Values Using SPSS
- 41. Thanks to all