Q: Formulate the appropriate null and alternative hypothesis.
A: Given: μ=555σ=139n=30
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: 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: What is the purpose of writing down and testing the null hypothesis?
A: Hypothesis is performed to test that whether the thing we believe in actually right or not.
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: 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: 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: 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: 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: 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: The null hypothesis is always concluded as true, while the alternative hypothesis is always false…
A: Hypothesis testing is done to draw conclusions about a population parameter.
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: Define power in relation with null hypothesis?
A: Power of a test: The power of the test is the correct decision. The probability that not occurring…
Q: Why is it useful to obtain the power curve for a hypothesis test?
A: Power of a test:It is the chance or the probability of correctly rejecting the null hypothesis H0…
Q: what does failing to rejectthe null hypothesis mean?
A: First, it is possible that the effect truly doesn’t exist in the population, which is why the…
Q: Explain what it means to reject the null hypothesis or fail to reject the null hypothesis.
A:
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: 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: 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: What is the difference between failing to reject the null hypothesis and having evidence to support…
A: Given that What is the difference between failing to reject the null hypothesis and having evidence…
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: 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: 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: Should you reject or fail to reject the null hypothesis? O Reject the null hypothesis O Fail to…
A: The table shows the number of friends for 3 kindergarteners up to 2nd grade.
Q: Explain what the following question means: “Does the evidence that we collected make our null…
A: If there is evidence which makes null hypothesis look ridiculous then we reject the null hypothesis…
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: come up with your own hypotheses. Write both the null and alternative for a one-tailed hypothesis.
A:
Q: What is the difference between the null hypothesis and the alternative hypothesis when doing a…
A: Basics:
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: 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: In tests of significance, it is possible to reject the null hypothesis and yet still have a…
A: Given that the null hypothesis is rejected.
Q: What does the decision to retain null hypothesis implies?
A:
Q: what are the potential mistakes when setting up a null and alternative hypothesis.
A: The hypothesis test is a statistical method in which one using the sample data try to check the…
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: 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: 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: If your claim is in the alternative hypothesis and you fail to reject the null hypothesis, then your…
A: Null hypothesis is denoted H0 and alternative hypothesis is denoted H1 or Ha
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: 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: If we do not reject the null hypothesis when the null hypothesis is in false, then we have made a
A: Solution: Type I error: Reject the null hypothesis even though it is true.
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: 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: Why do we test the null hypothesis and not the affirmative or alternate hypothesis? Explain
A: Null hypothesis: The hypothesis which has usually a no difference or a neutral attitude is called…
Q: how can you develop a null and alternative hypothesis for conducting the research?
A: Null Hypothesis Null hypothesis states that there is no relationship between the population…
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.
What does failing to reject a null hypothesis imply?
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- When a result is not extreme enough to reject the null hypothesis, explain why it is wrong to conclude that your result supports the null hypothesis.Explain what it means to reject the null hypothesis or fail to reject the null hypothesis.If a null hypothesis is rejected at the 0.05 level of significance, it must be rejected at the 0.01 level. True or False?