'Observed significance level' diaporamas de présentation

Statistics

567 views • 47 slides

471 views • 29 slides

Chapter Nine: Evaluating Results from Samples

Chapter Nine: Evaluating Results from Samples. Review of concepts of testing a null hypothesis. Test statistic and its null distribution Type I and Type II errors Level of significance, probability of a Type II error, and power. .

306 views • 22 slides

Hypothesis Testing

Hypothesis Testing. A hypothesis is a conjecture about a population. Typically, these hypotheses will be stated in terms of a parameter such as m (mean) or p (proportion). A test of hypothesis is a statistical procedure used to make a decision about the conjectured value of a parameter.

3.17k views • 20 slides

Lesson 10 - 2

Lesson 10 - 2. Testing Claims about a Population Mean Assuming the Population Standard Deviation is Known. Objectives. Understand the logic of hypothesis testing Test a claim about a population mean with ? known using the classical approach

271 views • 15 slides

Elementary hypothesis testing

Elementary hypothesis testing. Purpose of hypothesis testing Type of hypotheses Type of errors Critical regions Significant levels Hypothesis vs intervals. Purpose of hypothesis testing.

363 views • 14 slides

Using the P-Value

270 views • 12 slides

Using the P-Value

310 views • 12 slides