A researcher risks making a Type I error any time the null hypothesis is rejected? state the reason?

Q: Formulate the appropriate null and alternative hypothesis.

A: Given: μ=555σ=139n=30

Q: ) What conclusions can be drawn from this hypothesis test?

A: a) H0:μ=15.7VersusHa:μ<15.7   Level of significance valueα=0.05 Test statistic value of T = x-μsn…

Q: If the null hypothesis is rejected at a level of significance of 5%, then in some cases, it could be…

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

Q: If we reject the null hypothesis when the null hypothesis is true, we have made a O type B error. O…

A: According to the given information If we reject the null hypothesis when it is true, then we made a…

Q: If we do not reject the null hypothesis when the alternative hypothesis is true, we have made a…

A: Fill in the required  blank

Q: If we reject the null hypothesis, does this mean that we have proved it to be false beyond all…

A: The type I error is rejecting the null hypothesis when it is true. So, if we reject the null…

Q: If the null hypothesis is false and the researchers do not reject it, a Type I error has been made.…

A: We know that- Type I error- Rejecting the null hypothesis when it is actually true. Type II error-…

Q: What is meant when we say that a hypothesis test is a. exact?b. approximately correct?

A:

Q: if the null hypothesis should be rejected and researchers reject it they have committed.? which of…

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

Q: A type II error can only be committed if the null hypothesis is false. Otherwise, if the null…

A: The type II error is defined as accepting the null hypothesis when alternative hypothesis is true.

Q: Type I error is when you end up rejecting the null hypothesis as a result of the statistical…

A: Here we have to fill blank space of a given sentence "Type I error is when you end up rejecting the…

Q: A type I error could be committed even if the null hypothesis is false O True O False

A: The provided statement is "false" because Type I error refers to rejecting the null hypothesis when…

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: Suppose the null hypothesis, H0, is: a patient is not sick. State the Null and Alternative…

A: The test hypotheses are given below: Null hypothesis: H0: A patient is not sick Alternative…

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: What does null hypothesis ascertain?

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

Q: If we fail to reject the null hypothesis when the alternative hypothesis is true, we have made a O…

A: There is only two type of error exists Type I and Type II

Q: The type II error is also known as false positive or false alarm. Wrongfully failing to reject the…

A:

Q: Suppose a researcher comes up with a new drug that in fact cures AIDS. She assigns some AIDS…

A: A researcher finds a new drug which will cure AIDS. To ensure this she tests H0 : the new drug has…

Q: The probability of rejecting a false null hypothesis is called?

A: We know that the power is defined as  Power:  Power is the probability of the rejecting the null…

Q: Explain what it means to reject the null hypothesis or fail to reject the null hypothesis.

A:

Q: Which of the following is an accurate definition of a type 2 error? rejecting a false null…

A: type 2 error :  type II error is the non-rejection of a false null hypothesis

Q: pe II error represent the possibility that your rejection of a null hypothesis was incorrec

A: In hypothesis testing, a type I error occurs when the null hypothesis (Ho) is rejected when it is…

Q: A Type I error occurs when a treatment has an effect but the decision is to fail to reject the null…

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

Q: A type 1 error occurs when a treatment has an effect but the decision is to fail to reject the null…

A: Given : A type 1 error occurs when a treatment has an effect but the decision is to fail to reject…

Q: Describe type I and type II errors for this hypothesis test?

A: A type 1 error is also known as a false positive and occurs when a researcher reject the null…

Q: Match the Null Hypothesis to the mathmatical description:

A: Test is that whether the mean length of unemployment differs among the residents of two local…

Q: what might a alternative hypothesis be called?

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

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: What is the null and alternative hypothesis?

A: Test is that whether mean time for painting a medium-sized room without using the tool is greater…

Q: Suppose that, in a hypothesis test, the null hypothesis is in fact false. a. Is it possible to make…

A: Type I error:Probability of rejecting the null hypothesis when it is actually true.Type II…

Q: the non-directional null hypothesis? What is the alternative hypothesis?

A: Hypothesis in statistics are the statements which need to be tested on the basis of the observed…

Q: Which plot indicates the null hypothesis of no difference would not be rejected?

A: Objective: To identify the plot that indicates the null hypothesis of no difference would not be…

Q: the null hypothesis as a result of the statistical testing, when in fact the null hypothesis is

A: Type 1  error is denoted by alpha .  Where  alpha or α is the significance level. Type 2 error is…

Q: medical test is conducted to determine whether or not a new vaccine reduces the complications of…

A: Given that  A medical test is conducted to determine whether or not a new vaccine reduces the…

Q: Rejecting the null hypothesis when the null hypothesis is true is called

A: Rejection of the null hypothesis when it is true is called a type I error.

Q: When the null hypothesis is not rejected, it is possible a Type I error has occurred. not possible a…

A: Given that the null hypothesis is not rejected.

Q: A researchers claims 45% of couples have children. They conduct a hypothesis test and reject the…

A: Type I Error : Reject H0 when H0 is true.

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: Define the Bonferroni Test of a Joint Hypothesis?

A:

Q: Rejecting a true null hypothesis, which type of error it is?

A: While performing a hypothesis test,one can commit two types of errors.He might reject the null…

Q: When a result is not extreme enough to reject the null hypothesis, explain why it is wrong to…

A: The type II error occurs when the false null hypothesis is not rejected.

Q: You wanted to know whether eating fatty foods is related to obesity. a) Formulate your null and…

A: The null hypo. is a statistical statement stating no relationship between the observed and measured…

Q: A type I error could be committed even if the null hypothesis is false  True  False

A: The type 1 error means that the rejecting the null hypothesis when it is true.

Q: The goal of research is to prove that the null hypothesis is true. True False

A:

Q: what is the nully hypothesis and alternative hypothesis

A: Test is that whether there is a significant relationship between a person's age and the number of…

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: A type II error can only be committed if the null hypothesis is false. Otherwise, if the null…

A: Given : A type II error can only be committed if the null hypothesis is false.

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.