Hypothesis Testing

HYPOTHESIS TESTING Amali N Ediriweera Dept. of HRM

Big picture Use a random sample to learn something about a larger population.

Two ways to learn about a population ,[object Object],[object Object]

Confidence Intervals ,[object Object],[object Object]

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

General Idea of Hypothesis Testing ,[object Object],[object Object],[object Object]

Example: Grade inflation? Population of 5 million college students Is the average GPA 2.7? Sample of 100 college students How likely is it that 100 students would have an average GPA as large as 2.9 if the population average was 2.7 ?

Making the Decision ,[object Object],[object Object],[object Object]

Making the Decision (cont’d) ,[object Object],[object Object],[object Object],[object Object]

Idea of Hypothesis Testing: ,[object Object],[object Object],[object Object]

An aside: Identification of hypotheses ,[object Object],[object Object]

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

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

Important Point ,[object Object],[object Object],[object Object]

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

Hypothesis Testing

Recommended

Recommended

More Related Content

What's hot

What's hot (20)

Viewers also liked

Viewers also liked (17)

Similar to Hypothesis Testing

Similar to Hypothesis Testing (20)

More from Sampath

More from Sampath (20)

Recently uploaded

Recently uploaded (20)

Hypothesis Testing