Lab 4 - Data Analysis

Created Saturday 22 November 2014 - Lab Home

In this lab we explore the data. We will take a simple approach of understanding the structures, relationships and apply simple statistical methods.

• Mean (Average) , Median(Middle one when in ascending order), Mode (most frequent), Variance, Percent
• Per Capita
• Sample Size and Margin of Error
• Standard Deviation
• Distributions (Normal, Uniform and Skewed)
• Regression Analysis
• Histograms (graphs of frequency) and box plots

Sample Exercise Questions

• Marks between two schools, compare and see which school is better
• Does better average means, school has better students?

Example Data Sets for Lab

• BBMP Schools info
• BBMP Park Info
• Assets and Liabilities of BBMP Councillors
• DICE school data

Tools

Libre Office Calc

• Libre Office is available for Linux, Win and Mac
• Calc is an OPen Source spreadsheet application

Other Tools

• GNU PSPP is a program for statistical analysis of sampled data. It is a Free replacement for the proprietary program SPSS, and appears very similar to it with a few exceptions.
• R is a free software environment for statistical computing and graphics. It compiles and runs on a wide variety of UNIX platforms, Windows and MacOS.