A decision to reject the null hypothesis means you have demonstrated that the treatment has no effect

Q: A Type 2 mistake arises in hypothesis testing when a. When the alternative hypothesis is true, the…

A: Solution A type 2 error is occurd when null hypothesis is not rejected when it is not true.

Q: Why can we never accept the null hypothesis

A: Accepting null hypothesis means we are sure that null hypothesis is true. But we cannot we sure. We…

Q: f we accept the research hypothesis when in reality the null hypothesis is TRUE, we have:        A.…

A: reject accept H0 true type 1 error correct H0 false correct type 2 error Property: If…

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: In a hypothesis test with a = 0.05 the p-value is calculated to be 0.02. What decision should be…

A: we have find  decision.

Q: When conducting a hypothesis test, the model used for the test     assumes the null hypothesis…

A: Null hypothesis:There is no difference between populations or a set of given…

Q: What are the two decisions that you can make from performing a hypothesis test? What are the two…

A: We know that- To perform a hypothesis test, it is first necessary to define an assumed set of…

Q: Why do we say “we fail to reject the null hypothesis” instead of “we accept the null hypothesis”?

A: Rejection rule: If p-value≤α, reject the null hypothesis. If p-value>α, fail to reject the null…

Q: xplain what the following question means: “Does the evidence that we collected make our null…

A: In hypothesis testing, if the p-value is less than the level of significance, the null hypothesis…

Q: Suppose the results indicate that the null hypothesis should not be rejected; thus, it is possible…

A: GivenHypothesis test was conducted to see if a new HIV vaccination reduces the risk of contracting…

Q: When the null hypothesis is true, the F test statistic is false, the F test statistic is most likely…

A: Using the given information, the F-statistic value is 4.2.

Q: if the null hypothesis is not rejected when its false a type II error has been committed. True or…

A: Here we need to determine whether the statement about type 2 error is true or false.

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: A hypothesis test is conducted with a level of significance of 1% and the resulting p value is…

A:

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: Which is the null hypothesis? * There is a significant relationship between a person's age and their…

A: We have given that the data of two populations one of person’s age and other one is time spent for…

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

A:

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: 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: refrigerator manufacturer claims that the mean life of its refrigerators is greater than 13 years.…

A: Given A refrigerator manufacturer claims that the mean life of its refrigerators is greater than 13…

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 average age of first-year medical school students has increased from 27 years. The null…

A: We have to find Hypothesis..

Q: What are the two decisions that you can make from performing a hypothesis test? What are the two…

A: 56. In the performing a hypothesis test  There are two decisions.   Decisions: If p-value≤ α Then…

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: We are testing whether students learning online perform worse than students learning in person. If…

A: Claim : Students learning online perform worse than students learning in person. The hypotheses…

Q: No error is committed when the null hypothesis is rejected when it is false.   True False

A: In hypothesis testing, type I error is the incorrect rejection of the null hypothesis when the null…

Q: he mayor must make a decision whether or not to cancel school because of a threatening Habagat. What…

A: Solution-: He mayor must make a decision whether or not to cancel school because of a threatening…

Q: Type II error is defined as   a. rejecting a null hypothesis when it is in fact true   b.…

A:

Q: Type I error occurs if you reject the null hypothesis when in fact it is true.  a.)True  b.)False

A:

Q: A recent survey of college campuses across Ontario claims that on average students spend more than…

A: Given : Claim : Average students spend more than 2.7 hours a day using their cell phones.

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…

A:

Q: Come up with you own hypothesis testing scenario. What are examples of a null and research…

A: Suppose we have the age of the male and female of the city. and to find the claim that the mean age…

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: Are you using a one-sided (directional) or two-sided (non-directional) alternative hypothesis?…

A: Given, Null Hypothesis               H0:μ=3  Alternative Hypothesis    H1:μ≠3

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: Why do we test the null hypothesis and not the alternate affirmative hypothesis

A: We have to answer question related to the hypothesis testing.

Q: What does it mean when we reject the null hypothesis? What conclusion do we make, etc.? Explain in…

A: Here we want to give conclusion when we reject null hypothesis.

Q: You are testing the null hypothesis µ=30 versus the two tailed alternative. You fail to reject the…

A: In hypothesis testing, type I error is the incorrect rejection of the null hypothesis when the null…

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: What are the two decisions that you can make from performing a hypothesis test? What are the two…

A: In any hypothesis test we have 1) Null hypothesis2) Alternate hypothesis Comparing the p value and…

Q: The null hypothesis is always concluded as true, while the alternative hypothesis is always false…

A: We have given that the statement about to the null hypothesis and the alternative hypothesis.

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

A: Answer - If we fail to reject the null hypothesis when the alternative hypothesis  is true,…

Q: Explain why the null hypothesis H0: u1=u2 is equivalent to the null hypothesis H0: u1-u2=0

A: In statistical inference using mean, standard deviation, average, proportion, etc we calculate the…

Q: What are the two decisions that you can make from performing a hypothesis test? What are the two…

A: In a hypothesis testing, the decisions are made as follows ,

Q: The decision to reject a true null hypothesis is called to accept a false null hypothesis is A. Type…

A: Decision is given about 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.

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

A: There is always a type 1 error when null hypothesis is rejected.