Essentials of Statistics (6th Edition)
6th Edition
ISBN: 9780134685779
Author: Mario F. Triola
Publisher: PEARSON
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Textbook Question
Chapter 11.2, Problem 3BSC
Hypothesis Test The accompanying TI-83/84 Plus calculator display results from the hypothesis test described in Exercise 1. Assume that the hypothesis test requirements are all satisfied. Identify the test statistic and the P-value (expressed in standard form and rounded to three decimal places), and then state the conclusion about the null hypothesis.
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Chapter 11 Solutions
Essentials of Statistics (6th Edition)
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- What is an experiment?arrow_forwardHypothesis testing will consist of four hypothesis tests which you need to complete. While you will not need to show your work or upload any files, each test will require the following: Type of Test: Null Hypothesis: Alternate Hypothesis: SE: Test Statistic: P-value: Decision: Sentence:arrow_forwardDifferentiate Between Type I and Type II Errors When Performing a Hypothesis Test Question Determine the Type I error if the null hypothesis, Ho, is: an electrician claims that no more than 10% of homes in the city are not up to the current electric codes. Select the correct answer below: The electrician thinks that no more than 10% of homes in the city when, in fact, there really are no more than 10% that are not up to the current electric codes. are not up to the current electrical codes The electrician thinks that more than 10% of the homes in the city are not up to the current electrical codes when, in fact, there really are more than 10% of the homes that do not meet the current electric codes. The electrician thinks that more than 10% of the homes in the city are not up to the current electrical codes when, in fact, at most 10% of the homes in the city are not up to the current electric codes. The electrician thinks that no more than 10% of homes in the city are not up to the…arrow_forward
- Why is the phrase “goodness of t” used to describe the type of hypothesis test considered in this section?arrow_forwardOnly 25% of registered voters voted in the last election. Will voter participation higher for the upcoming election? Of the 600 randomly selected registered voters surveyed, 192 of them will vote in the upcoming election. Perform a hypothesis test and use a = .05 level of significance? Step (1) Determine the null and alternative hypotheses. Ho: p= 0.25 Ho: p0.25 Step (2) Determine the test statistic and p-value. Test Statistic: 3.9598 p-value = 0.0003 Step (3) Find the critical value for the rejection region ZV Make a decision using the rejection region method. O Reject the null hypothesis. O Fail to reject the null hypothesis. Step (4) Compare the p-value to alphaarrow_forwardPlz help asap 32arrow_forward
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