if the null hypothesis should be rejected and researchers reject it they have committed.? which of the two type 1 error or type 2 error?

Q: 9.61 What is the difference between a null hypothesis, Ho, and an alternative hypothesis, H¡? 9.62…

A: Here we need to differentiate four terms in a pair i.e, null hypothesis and alternative hypothesis…

Q: Failing to reject the null hypothesis when it is false is

A: We need to use the concept of Hypothesis testing

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

A: Type I error:  The type I error can be defined as the probability of rejecting the null hypothesis…

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: 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: B. If the National Cancer Institute researchers were incorrect in their conclusion that there is no…

A: Type I error: The type I error if the null hypothesis is rejected when it is actually true. Type II…

Q: When a null hypothesis can be rejected by an extreme result in one direction only, a two-tail test…

A: When a null hypothesis can be rejected by an extreme result in one direction only that means we will…

Q: If we reject a true null hypothesis, this is what type of error? a. No Error b. Type I Error Type II…

A: Type 1 error : we reject the null hypothesis when its actually true  it is a false positive    .…

Q: If a hypothesis test leads to the rejection of the null hypothesis, a have been committed. Type I…

A: Given that the hypothesis test leads to the rejection of the null hypothesis.

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: What does it mean if you reject the null hypothesis? What do you mean if you fail to reject the null…

A: The null hypothesis is denoted by H0 and alternative hypothesis is denoted by H1 . The null…

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

A: Solution

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

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

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: When testing for our hypothesis, we are actually testing the truthfulness of our null hypothesis.…

A:

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

A:

Q: Be able to state the null hypothesis for both one-tailed and two-tailed tests?

A:

Q: what is the correct null hypothesis?

A: The null hypothesis states that the model is not useful because all the coefficients are zero. That…

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

A:

Q: 5. If a researcher rejects a true null hypothesis, she has made a error.

A: here use basic of statistical error

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: If a researcher is wrong in his decision and he rejects the null when the null is true, what type of…

A: Given, If a researcher is wrong in his decision and he rejects the null when the null hypothesis is…

Q: Why is "Ho: "M1 = M2" not a proper null hypothesis?

A: In general the null hypothesis states that there is no significant difference between M1 and M2.

Q: Explain why the null hypothesis should not be accepted?

A: The hypothesis which is tentatively fixed up and tested for the possible rejection of it under 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: If a hypothesis test leads to the rejection of the null hypothesis, a _____.   a. Type II…

A: Type I error is the rejection of a true null hypothesis, while a Type II error is the non-rejection…

Q: What is the Importance of Null Hypothesis?

A: Introduction: Hypothesis testing is a statistical process, in which, a researcher has a “hypothesis”…

Q: If null hypothesis is really true, what does this indicate?

A:

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: What are the null hypothesis (H,) and the alternative hypothesis (H,) that should be used for the…

A: Claim is that the mean systolic blood pressure of CEOs of major corporation is less than 134 mm Hg.…

Q: If p- value is greater than alfa, the null hypothesis is not rejected. True O False

A: The p-value measures the probability of getting a more extreme value than the one you got from the…

Q: Define the null hypothesis in mathematical terms and in words Define the alternative hypothesis in…

A: Null hypothesis: The null hypothesis is the kind of hypothesis which explains the population…

Q: 24. What is your decision regarding the null hypothesis? Reject or Fail to Reject

A: Using the given figure, we need to test for the significance of correlation coefficient between X…

Q: What is the null hypothesis H0 and the alternative hypothesis H1?

A: Here p=76%              =76/100            =0.76 So null and alternative hypothesis is  Null…

Q: What are the null hypothesis (H) and the alternative hypothesis (H,) that should be used for the…

A: Given Population Mean, μ=136 Sample Mean, x=130 Sample sd, s=15

Q: When the null hypothesis is true, the F test statistic is close to When the null hypothesis is…

A: F-statistics are the ratio of two variances that are approximately the same value when the null…

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: What are the null hypothesis (H,) and the alternative hypothesis (H,) that should be used for the…

A:

Q: If the null hypothesis is false then which of the following is accepted? Select one: a. Negative…

A: There are two types of statistical hypotheses. Null hypothesis: The hypothesis that sample…

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: What does failing to reject a null hypothesis imply?

A: Given,         What does failing to reject a null hypothesis imply?

Q: In Malaysia legal system, a defendant is presumed innocent until proven guilty. Consider a null…

A: Consider a null hypothesis, H0, that a defendant is innocent an alternative hypothesis, H1, that the…

Q: 29. What is your conclusion? Do you reject the null hypothesis or fail to reject the null…

A: 29) The D score is obtained by finding the difference between pain before and pain after. That is…

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: (a) Identify the null hypothesis and alternative hypothesis.

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

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

A:

Q: 13. What is your decision regarding the null hypothesis? Reject or Fail to Reject

A: For the given data ( 13 ) Decision regarding null hypothesis ?

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.