# Essays Tagged: "Type I and type II errors"

#### Selecting and Testing Hypotheses Simulation

ortion was equal to or greater than 65%.Rejecting the null hypothesis when it is true is known as a Type I error. Failing to reject the null when it is false is known as Type II error. The level of si ... t is false is known as Type II error. The level of significance, alpha denotes the probability of a Type I error occurring. Since the level of significance is specified before completing the test. The ...

(2 pages) 161 0 4.3 Feb/2006

Subjects: Science Essays > Mathematics

#### Outline of Chapter 8 text - Elementary Statistics: A Brief Version(A. Bluman 3rd Ed., 2003)

ing the chi square test.Test hypotheses using confidence intervals.Explain the relationship between type I and type II errors and the power of a test.IntroductionStatistical hypothesis testing is a de ... hypothesis is a conjecture about a population parameter which may or may not be true.There are two types of statistical hypotheses for each situation: the null hypothesis and the alternative hypothes ...

(5 pages) 237 0 4.3 Apr/2006

Subjects: Science Essays > Mathematics

#### Hypothesis Testing (Gas Prices)

result. Note that the above described test, the limited geographic sampling may have resulted in a Type I error, or rejecting the null hypothesis when the null is true. The scope of data collection u ...

(4 pages) 176 0 2.6 Apr/2007

Subjects: Social Science Essays > Economics

#### RES 341 Final Exam with Instructor Notes

lease mark one answer for all multiple choice questions with RED!Chapter 91. In hypothesis testing, Type I error isA) always equal to 5 percent.B) always smaller or equal to 5 percent.C) the probabili ... en H0 is true.D) the probability of rejecting H0 when H1 is true.Answer: C2. In hypothesis testing, Type II error isA) equal to 1 - probability of committing Type I error.B) equal to 5 percent or more ...

(7 pages) 265 0 1.0 Sep/2009