3. A certified public accountant claims that more than 30% of all accountants advertise. A sample of 400 accountants in Rizal province showd that 112 had used some form of advertising. At a a = 0.01, is there enough evidence to support the claim? (Use p-value method). Solution: Step 1: State the hypothesis. Ho: H: Step 2: Compute for the value of one sample t test. z computed = Step 3: Compute for thep- value. Step 4: Decision rule: Step 5: Conclusion.

3. A certified public accountant claims that more than 30% of all accountants advertise. A sample of 400 accountants in Rizal province showd that 112 had used some form of advertising. At a a = 0.01, is there enough evidence to support the claim? (Use p-value method). Solution: Step 1: State the hypothesis. Ho: H: Step 2: Compute for the value of one sample t test. z computed = Step 3: Compute for thep- value. Step 4: Decision rule: Step 5: Conclusion.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.

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