# Statistical Hypothesis Testing PPT (The Test of Hypothesis / Significance – Tips and Procedure)

What is Hypothesis Testing? What is Test Statistic? Statistical Hypothesis, p-Value, What is ‘Test of Hypothesis’, What is the purpose of Hypothesis Testing? What is Hypothesis? Types of Hypothesis, Research Hypothesis, Statistical Hypothesis, Null Hypothesis, Alternative Hypothesis, How to state the statistical hypothesis? Things to remember when constructing the Null Hypothesis, Test Statistic, Decision Rule, Significance Level, Statistical Decision, p-Value

# Graphical Representation of Data PPT (Line Diagram, Bar Diagram, Histogram, Frequency Curve, Ogive and Pie Chart)

What is graphical representation? Importance of Graphical Representation, Advantages of Graphical Representation, Disadvantages of Graphical Representation, Things to remember when constructing a Graph, Different types of graphs / charts: Line Diagram, Bar diagram, Simple Vertical Bar Diagram, Subdivided Bar Diagram, Multiple Bar Diagram, Percentage Bar Diagram, Histogram, Frequency Polygon, Frequency Curve, Ogive, Less Than Ogive, Greater Than Ogive, Calculating Median from Ogive, Pie Chart, Relative Frequency and Pie Diagram.

Learn more: Lecture Note in Graphical Representation of Data Part 1, Part 2

# Frequency Distribution Table PPT

Frequency Distribution Table PPT
(Concept of Statistical Tables: Frequency Distribution)

‘Tables’ vs ‘statistical tables’, Things to remember when creating a ‘table’, Components of a ‘table’, Understand the concept of ‘class’ and ‘frequency’, Concept of Range and Class Intervals, Inclusive and Exclusive Class, How a statistical table is prepared? (Frequency distribution), What is ‘tally mark’ method?

# Tables and Tabulation PPT (Graphical Representation of Data 1: Tables PPT and PDF)

What is Data or Variable? Why data is called variable in statistics? What are the importance of Data Presentation? What are the methods of Data Presentation? What is meant by Graphical Representation of Data? What is ‘tabulation’? Understand the concept of ‘data table’. Things to remember when creating a table

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# Errors in Statistics PPT (Type I and Type II Errors)

## Errors in Statistics PPT (Type I and Type II Error in Statistics PPT)

What is Level of Significance? What is Null Hypothesis? What is Alternate Hypothesis? What are statistical errors? What is the importance of ‘level of significance’ in statistical errors? Different types of statistical errors. What is Type I Error? How to avoid Type I Error? What is Type II Error? How to avoid type II Error?