In a hypothesis test, the calculated the p-value is 0.002 for the test statistic, which of the following is a correct statement? a) The p-value indicates that it is very rare to observe a test statistics equally or more extreme when the null hypothesis is true. b) The p-value indicates that it is very likely to observe a test statistics equally or more extreme when the null hypothesis is true. c) The p-value is calculated assuming the alternative is true.

Q: In a two-tailed hypothesis test, the calculated p-value is 0.08. If the significance level is set at…

A: From the provided information,The test is two tailed.The p-value is 0.08.Level of significance (α) =…

Q: in a certain test, the z-statistic of the sample is obtained to be 2.1. If the Type error is assumed…

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Q: What does the null hypothesis assume for two indepdent samples t test? There is no difference…

A:

Q: More than 33% of households in Thunder Bay own two or more cars. The null hypothesis is The research…

A: We have given that  Population proportion p=33%=0.33 Null and alternative hypothesis.

Q: In a survey of 240 students in an elementary statistics class at the University of California-Davis…

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Q: e the null and alternative hypotheses for the proposed hypothesis test. A researcher is interested…

A: Hypothesis testing  Hypothesis testing is conducted for the parameters of the population like…

Q: For the same sample data and null hypothesis, how does the P-value for a two-tailed test of ?…

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Q: b)A poll showed the approval rating to be 0.45 (45%). A second poll based on 2500 randomly selected…

A:

Q: A certain drug is used to treat asthma. In a clinical trial of the drug, 30 of 282 treated subjects…

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Q: In a study in which the null hypothesis has been rejected, we should be aware of the possibility of?…

A: In a study in which the null hypothesis has been rejected, we should be aware of the possibility of-…

Q: Suppose 225 subjects are treated with a drug that is used to treat pain and  51 of them developed…

A: Given that  Sample size n =225 Favorable cases x =51 Sample proportion p^=x/n  =51/225 =0.2267

Q: A researcher claims that the amounts of acetaminophen in a certain brand of cold tablets have a…

A: Solution: From the given information, the claim is that the amounts of acetaminophen in a certain…

Q: The mean score for all NBA games during a particular season was less than 102 points per game. if a…

A: Followings are the Explanation of the question Hypothesis Claim :- The mean score for all NBA games…

Q: When one changes the significance level of a hypothesis test from 0.10 to 0.05, which of the…

A: Here as level of significance is probability of type I error and sample should have p value less…

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A:

Q: Suppose that a hypothesis test is performed at a small significance level. State the appropriate…

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Q: Suppose 212 subjects are treated with a drug that is used to treat pain and 54 of them developed…

A: sample size(n)=212x=54significance level(α)=0.05sample proportion(p^)=xn=54212≅0.2547

Q: suppose a hypothesis test is conducted where the level of significance a= 0.05 and the test results…

A:

Q: Suppose 235 subjects are treated with a drug that is used to treat pain and 54 of them developed…

A: given dat,n=235x=54p^=xn=54235=0.2298

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Q: Suppose you are asked to conduct a two-tailed hypothesis test on the population mean. What type of…

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Q: In a(n) ________ test, the null hypothesis should be rejected when the test value is in either of…

A: Answer:

Q: Suppose a hypothesis test was performed with a level of significance of 0.05. Then if the null…

A: Level of significance is the type 1 error which is rejecting the true Null Hypothesis.  So here the…

Q: Suppose 300 subjects are treated with a drug that is used to treat pain and 78 of them developed…

A: Givenn=300x=78p^=xn=78300=0.26