'Tail tests' diaporamas de présentation

1.5k views • 99 slides

statisticsbe @163 Password: shnu2010

statisticsbe @163.com Password: shnu2010. Statistics for Business and Economics. Chapter 9 Hypothesis Testing. What is a Hypothesis? ????. A hypothesis is a claim (assumption) about a population parameter : population mean population proportion.

955 views • 83 slides

Chapter 8 Hypothesis Testing ( ???? )

Chapter 8 Hypothesis Testing ( ???? ). The Null and Alternative Hypotheses and Errors in Hypothesis Testing. z Tests about a Population Mean ( known): t Tests about a Population Mean ( unknown) z Tests about a Population Proportion. Hypothesis Testing.

804 views • 62 slides

Chapter 8 Hypothesis Testing ( ???? )

Chapter 8 Hypothesis Testing ( ???? ). The Null and Alternative Hypotheses and Errors in Hypothesis Testing. z Tests about a Population Mean ( known): t Tests about a Population Mean ( unknown). Chapter 8 Hypothesis Testing ( ???? ). z Tests about a Population Proportion

723 views • 59 slides

EF 507 QUANTITATIVE METHODS FOR ECONOMICS AND FINANCE FALL 2008 Chapter 10 Hypothesis Testing

EF 507 QUANTITATIVE METHODS FOR ECONOMICS AND FINANCE FALL 2008 Chapter 10 Hypothesis Testing. What is a Hypothesis?. A hypothesis is a claim (assumption) about a population parameter: population mean population proportion.

706 views • 55 slides

EF 507 QUANTITATIVE METHODS FOR ECONOMICS AND FINANCE FALL 2008 Chapter 10 Hypothesis Testing

EF 507 QUANTITATIVE METHODS FOR ECONOMICS AND FINANCE FALL 2008 Chapter 10 Hypothesis Testing. What is a Hypothesis?. A hypothesis is a claim (assumption) about a population parameter: population mean population proportion.

605 views • 55 slides

Hypothesis Testing For ? With ? Known

Hypothesis Testing For ? With ? Known. HYPOTHESIS TESTING. Basic idea: You want to see whether or not your data supports a statement about a parameter of the population. The statement might be: The average age of night students is greater than 25 ( ? >25)

485 views • 30 slides

Computational Statistics with Application to Bioinformatics

Computational Statistics with Application to Bioinformatics. Prof. William H. Press Spring Term, 2008 The University of Texas at Austin Unit 3: Random Number Generators, Tests for Randomness, and Tail Tests Generally.

369 views • 25 slides

Z Test of Hypothesis for the Mean ( ? Known)

Z Test of Hypothesis for the Mean ( ? Known). X. Convert sample statistic ( ) to a Z test statistic. Hypothesis Tests for ?. ? Known. ? Unknown. The test statistic is:. Critical Value Approach to Testing. For two tailed test for the mean, ? known:

348 views • 8 slides