Introduction to Statistics - Part 1

Quantitative Data Analysis: Statistics – Part 1

" ... while man is an insoluble puzzle, in the aggregate he becomes a mathematical certainty. You can, for example, never foretell what any one man will do, but you can say with precision what an average number will be up to. Individuals vary, but percentages remain constant. So says the statistician. "

Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

Approach to Statistical Research ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hypothesis Testing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Types of Data ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Time-Series Plots ,[object Object],[object Object]

Pie Charts ,[object Object],[object Object],[object Object]

Bar Charts ,[object Object],[object Object],[object Object]

Histograms ,[object Object],[object Object]

Dot Plots ,[object Object],[object Object],[object Object]

Scatter Plots ,[object Object]

Box Plots ,[object Object],[object Object],[object Object]

John Tukey ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],John Tukey Paul Niquette Claude Shannon John von Neumann

Question 1 ,[object Object],[object Object],[object Object],[object Object],[object Object]

Question 1 - Solution ,[object Object],[object Object],[object Object],[object Object],[object Object]

Question 1 - Solution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Question 1 - Solution ,[object Object]

The Literary Digest Poll ,[object Object],[object Object]

The Literary Digest Poll ,[object Object],[object Object],[object Object]

The Literary Digest Poll ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Literary Digest Poll ,[object Object],[object Object],[object Object],[object Object]

Terminology ,[object Object],[object Object],[object Object],[object Object]

Outliers (and their treatment)

Outliers (and their treatment) ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Mean ,[object Object],[object Object],[object Object]

The Mode ,[object Object],[object Object],[object Object]

The Median ,[object Object],[object Object],[object Object]

The Variance ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Variance ,[object Object],[object Object]

Standard Deviation ,[object Object],- 1 - 1

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Karl Pearson

Question 2 ,[object Object],[object Object]

Question 2 ,[object Object],[object Object],[object Object],[object Object]

Question 2 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Variance = 58 / (5 -1) = 58 / 4 = 14.5 Standard Deviation = SquareRoot(14.5) = 3.8

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http://mathforum.org/library/drmath/view/65410.html

Introduction to Statistics - Part 1

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Introduction to Statistics - Part 1