At the a =0.05 level of significance, the most accurate statement concerning the decision to bemade about a hypothesis test of the mean isChoice A) Reject Ho and accept H1 since the p-value is greater than the significance levelChoice B) Fail to reject Ho since the p-value is less than the significance levelChoice C) Fail to reject Ho since the p-value is less than the critical value of the test statisticChoice D) Reject Ho and accept H1 since the p-value is less than the significance levelChoice D aboveChoice B aboveChoice C aboveO Choice A above

In this case, the level of significance is α = 0.05.

Answered: At the a = 0.05 level of significance,…

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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A national publishing house claims that 45% of all weekly magazine readers in South Africa read their publication. Test this claim at the 5% significance level, if a survey found that 205 out of a random sample of 500 magazine readers said that they read the relevant publication. Remember to use the five steps in the hypothesis testing procedure for the answer
According to the National Highway and Traffic Safety Administration, the proportion of fatal traffic accidents in the United States in which the driver had a positive blood alcohol concentration (BAC) is .36. Suppose a random sample of 105 traffic fatalities in the state of Hawaii results in 51 that involved a positive BAC. D) Check whether the conditions for hypothesis testing using the P-value approach are meet.
Use the method of hypothesis testing to determine if Ryan should conclude his saplings are growing. Take a 5% significance level.
write out each of the four steps of hypothesis testing: (1) write down the null and alternative hypotheses, (2) calculate the test statistic (t or z) based on the data in the problem, (3) draw the rejection region, indicating t* or z*, (4) conclude and write a one sentence conclusion (what this result means, in plain English). Use a 5% level of significance, unless otherwise instructed.
: The Center for the Study of Violence wants to determine whether a conflict-resolution program in a particular high school alters aggressive behavior among its students. For 10 students, aggression was measured both before and after they participated in the conflict-resolution course. Students Before Participating After Participating 1 10 8 2 3 3 3 4 1 4 8 5 5 8 7 6 9 8 7 5 1 8 7 5 9 1 2 10 7 6 From performing a hypothesis test to determine if the aggression does not differ as a result of the participation in the program, what is the p-value?
The p- Value in hypothesis testing corresponds to the significance level where a critical value of the test statistic is the same as the calculated value. A. True B. False
Since the instant replay system for tennis was introduced at a major tournament, men challenged 1427 referee calls, with the result that 415 of the calls were overturned. Women challenged 739 referee calls, and 229 of the calls were overturned. Use a 0.01 significance level to test the claim that men and women.m have equal success in challenging calls. What is the conclusion based on the hypothesis test? 1) The P-value is ________ Less than or greater than ? 2) The significance level of a= 0.01, so _______ the null hypothesis. fail to reject or rejection? 3) There ______evidence to warrant rejection of the claim that women and men have equal success in challenging calls is sufficient or is not sufficient?
Which of the elements of a test of hypothesis can and should be specified prior to analyzing the data that are to be used to conduct the test?
if a hypothesis is not rejected at the 0.10 significance level, it A. Must be rejected at the 0.05 level. B. May be rejected at the 0.05 level. C. Will not be rejected at the 0.05 level. D. Must be rejected at the 0.01 level.
Suppose the significance level of a certain hypothesis test is α = 2.5% and the p-value is equal to 0.0255.What is the correct conclusion?
develop a research question that can be addressed with the dependent-samples t test, making sure to state the null and alternative hypotheses (in words)
A person is directing a hypothesis test, to check: Ho: μ = 5000 verses HA: μ < 5000. Test is to be directed using 10% significance level. To do this test, a random sample was chosen and examined, resulting in a p-value of .035. Using 10% significance level does the person have enough evidence to conclude that; μ < 5000?

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