1. CREATE THE DIFFERENCE Before you start Please press F5 to run this show.

2. CREATE THE DIFFERENCE Statistical Investigations This module is assessed by two practical assignments.

3. CREATE THE DIFFERENCE Statistical Investigations In the first assignment data from a production process is provided and needs to be analysed using descriptive and quality control techniques.

4. CREATE THE DIFFERENCE Statistical Investigations Graphs produced may look like this

5. CREATE THE DIFFERENCE Statistical Investigations or this

6. CREATE THE DIFFERENCE Statistical Investigations You can choose different types of graph to represent the data depending on what features you are trying to find out.

7. CREATE THE DIFFERENCE Statistical Investigations Both these run charts have the same histogram

8. CREATE THE DIFFERENCE Statistical Investigations In the second assignment the students work in groups and undertake a statistical investigation whereby they collect their own data.

9. CREATE THE DIFFERENCE Statistical Investigations For example data on car prices might be obtained The data could include variables such as …

10. CREATE THE DIFFERENCE Statistical Investigations Age Make Type Model Engine Size Colour Condition Registration year Petrol/Diesel Insurance group Number of owners Months of MOT left Tax left Extras

11. CREATE THE DIFFERENCE Statistical Investigations The data is analysed using SPSS, a powerful Statistics package. SPSS allows us to present the data clearly as well as carrying out complex statistical calculations.

12. CREATE THE DIFFERENCE Statistical Investigations

13. CREATE THE DIFFERENCE Statistical Investigations

14. CREATE THE DIFFERENCE Statistical Investigations Students then give a presentation of the investigation using PowerPoint A written report of the investigation is also done

15. CREATE THE DIFFERENCE The End Click here to go back to module informationhere