# 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** **I****I** error. The level of si ... t is false is known as **Type** **I****I** 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 ...

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** **I****I** **errors** **and** the power of a test.**I**ntroductionStatistical hypothesis testing is a de ... hypothesis is a conjecture about a population parameter which may or may not be true.There are two **type**s of statistical hypotheses for each situation: the null hypothesis **and** the alternative hypothes ...

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 ...

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. **I**n 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. **I**n hypothesis testing, **Type** **I****I** error isA) equal to 1 - probability of committing **Type** **I** error.B) equal to 5 percent or more ...

Subjects: Businesss Research Papers

#### Qnt351 Final Exam

rmance of personal **and** business investments is measured as a percentage, return on investment. What **type** of variable is return on investment? A. Qualitative B. Continuous C. Attribute D. Discrete 4) W ... null hypothesis makes a claim about a A. population parameter B. sample statistic C. sample mean D. **Type** **I****I** error 23) What is the level of significance? A. Probability of a **Type** **I****I** error B. Probabilit ...

Subjects: Businesss Research Papers > Accounting