Which of the two hypotheses is the researcher always testing to reject or not?

Q: What is/are the difference/s between a one-sided hypothesis and a two-sided hypothesis?

A: Differentiate the two sided and one sided hypothesis.

Q: -Find the correct null hypothesis and for each correct alternative hypothesis 6. You want to test…

A: Given : Claim : A higher percentage of males who are Democrat than females who are Democrat.

Q: ​b) A pharmaceutical company wonders if its new drug has a cure rate different from the 58​% rate…

A: Here we are conducting a hypothesis test to check if the cure rate of new drug is different from the…

Q: In a psychology experiment 130 students were classified by major (sciences or humanities) and if…

A: we do this by χ2testH0: choice of major and right/left handedness are independent H1: choice of…

Q: A physician wants to test two blood glucose meters to see if there is any differences in…

A: Given info: The objective is to test whether there is any differences in measurements. Based on…

Q: A refrigerator manufacturer claims that the mean life of its competitor's refrigerators is less than…

A:

Q: Explain what it means to accept the null hypothesis?

A: We need to define null and alternative hypothesis.

Q: In the criminal justice system, a defendant is innocent until proven guilty. Therefore, the null…

A: a. Type I error: The type I error is the rejection of the null hypothesis when it is actually true.…

Q: State the null and alternative hypotheses for the test.

A: A random sample of Sixty gym members were selected and their weights were recorded to test whether…

Q: It is a known fact that 50% of all Americans are male. A researcher wants to see if the percent of…

A:

Q: Why can't a researcher ever "accept the null" or "accept the research hypothesis"?

A: because it work like that. if something is not proven wrong by the evidence (data)  that does not…

Q: If the null hypothesis states H0: E(Y) = , explain the difference between a two-sided vs a one-sided…

A: The null and alternative hypothesis are two mutually exclusive statements about a population.

Q: -Find the correct null hypothesis and for each correct alternative hypothesis 1. Suppose a pollster…

A:

Q: A hypothesis test is to be performed. State the null and alternative hypotheses.

A: Hypothesis: Hypothesis is an assumption about the parameter of the population which will be made on…

Q: State the null and the alternative hypotheses

A: According to the given information in this question we need to identify the null hypothesis and…

Q: If the p-value is greater than 0.5, then you have proven the null hypothesis is true. True or False

A: We have to find given statement is true or false..

Q: hypothesis test.

A: null hypothesis : there is a no significant difference between six-year graduation rate at her…

Q: What are the correct hypotheses for this test? The null hypothesis is Ho The alternative hypothesis…

A: Given : the manager conclude that the standard deviation has decreased at the 0.05 level of…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: We have to find out given null and alternative hypothesis that we would use for this hypothesis…

Q: Which are the correct null and alternative hypotheses?

A:

Q: what might a alternative hypothesis be called?

A: Hypotheses: Hypotheses is the plural form for hypothesis. Hypothesis is a statement about the…

Q: Describe the relationship between the null and alternate hypothesis?

A: Hypothesis: Hypothesis is an assumption about the parameter of the population which will be made on…

Q: L12Q2.The average scores of students in the final exam in two neighboring colleges are equal. If a…

A: Testing of hypothesis is a rule which, when the sample values have been obtained, leads to a…

Q: How do I find the relevant hypotheses?

A: It is given that the claim is that more than one-third of employers have sent an employee home to…

Q: The currently used medicine is successful for 26% of patients. A new experimental medication is…

A: sample size(n)=500no.of patients successful for new experimental medication (X)=140sample proportion…

Q: When a researcher rejects a null hypothesis and he should have reject it what can of error has…

A: Hypothesis:Hypothesis is an assumption about the parameter of the population which will be made on…

Q: Which of the equations below is the proper way to calculate the test statistic for the above…

A: here given  x¯D = 2.33sD = 2.88 n = 6

Q: What are the null and alternative hypotheses? Ho: H,:

A: The test is to check whether scheduled break between classes should be changed or not.

Q: What are the correct hypotheses for this test? The null hypothesis is Ho: The alternative hypothesis…

A: S.D is 5% we need to provide the null and the alternate hypothesis

Q: A professor suspects that the more often students attend their online lecture the better they will…

A: Here Given  Professor claims that more often students attend their online lecture the better they…

Q: Could you please help me out with this question… Does ivy grow better in areas with more sun versus…

A: The statement is given as, does ivy grow better in areas with more sun versus in shady areas.

Q: You accept the alternative hypothesis when you reject the null hypothesis. justify the above…

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Q: Do these data provide evidence that there is an association between age group and the response to…

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Q: Explain briefly when to use the Z-test, t-test and F-test in the hypotheses testing.

A: Solution: -  1) Z-test: - Following conditions are met before apply the Z-test : 1) The samples must…

Q: The researcher was interested in examining whether there was a significant difference between (a)…

A: A Hypothesis is an assertion (or) statement about the population parameter  θ The following are the…

Q: When the null hypothesis is found to be true, the alternative hypothesis must also be true

A: Provided statement is,  When the null hypothesis is found to be true, the alternative hypothesis…

Q: If you are going to test this claim, what would be your null and alternative hypotheses? Но: (? HA:…

A: The claim is that the mean weight of the fish in this reservoir is greater than 40 pounds.

Q: What are the hypotheses?

A:

Q: Why is it recommended to formulate a hypothesis so that it becomes the alternative (but not null)…

A: The null hypothesis is the hypothesis which assume there is no statistical significance between…

Q: A student pursuing a degree in English as a second language believes the proportion female factory…

A: From the given information, let X1 be the female factory workers that could not speak English. X1 =…

Q: If a hypothesis test rejects the null hypothesis test at a = 0.05 will it also always reject the…

A: If the p-value of a hypothesis test is less than or equal to the level of significance, then reject…

Q: It is a known fact that 50% of all Americans are male. A researcher wants to see if the percent of…

A: 1) Answer is true, since comparing two proportions.

Q: Assuming that the claim falls under the null​ hypothesis, correctly complete the sentence below.…

A: the claim falls under the null​ hypothesis

Q: Establish the null and the alternative hypotheses.

A: Claim : The mean delivery time is less than 60 minutes.

Q: If you are not able to prove the alternative hypothesis, this means the null hypothesis is correct.…

A: Null Hypothesis: A hypothesis which is tested for plausible rejection is called the Null Hypothesis…

Q: Which is the alternative hypothesis?

A: Let the independent variable x denote the persons age Let the dependent variable y denote the number…

Q: In what way is heuristics linked to hypotheses?

A: Heuristic hypothesis is the temporary prediction of unknown which is made to simplify the solution…

Q: Why is the null hypothesis H0: μ = 0?

A: Hypotheses: Hypotheses is the plural form for hypothesis. Hypothesis is a statement about the…

Q: Explain the different Types of hypotheses?

A: