Data Analysis
About the Lecture
The lecture Data Analysis by Edu Pristine is from the course ARCHIV Descriptive Statistics. It contains the following chapters:
- Data Analysis
- Graphical Summarization as a tool to understand data
- 1st Moment of Data - Mean
- 2nd Moment of Data - Variance
- Negative Semi Variance
- Higher Order Moments - Skewness
Author of lecture Data Analysis
Edu Pristine
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Excerpts from the accompanying material
... Statistics ...
... analysis (Histograms, trend lines, frequency plot s, etc.) Data Analysis – Context. Techniques that are commonly used are classified as Graphical displays of the data in which graphs summarize the data or facilitate comparisons. Tabular description in which tables of numbers summarize the data Summary ...
... PRM examination out of 100 can be 99,98,98,94,93,23,24,10:..etc. To analyze the performance of the class, we divide the class in 5 major groups and make a frequency table and then draw a histogram for graphical presentation of the data Range Frequency (No. of students in particular range). ...
