Podcast
Questions and Answers
What is the purpose of the null hypothesis in a hypothesis test?
What is the purpose of the null hypothesis in a hypothesis test?
- To serve as the original or default hypothesis (correct)
- To indicate all other outcomes except the null
- To be used if the null hypothesis is not accepted or rejected
- To represent the actual desired conclusion of the researcher
Why is an incorrect decision on the null hypothesis considered to have a serious outcome?
Why is an incorrect decision on the null hypothesis considered to have a serious outcome?
- Because it represents the actual desired conclusion of the researcher
- Because it is the prediction for the hypothesis test (correct)
- Because it will be used as a basis of an argument
- Because it has not been proven yet
What does the alternative or experimental hypothesis intend to prove?
What does the alternative or experimental hypothesis intend to prove?
- It serves as the original or default hypothesis
- It represents the actual desired conclusion of the researcher
- It is a prediction for the hypothesis test
- It is a statement of what the hypothesis test is intended to prove (correct)
In a hypothesis test, when is the alternative hypothesis used?
In a hypothesis test, when is the alternative hypothesis used?
What is a key difference between the null and alternative hypotheses?
What is a key difference between the null and alternative hypotheses?
Which statement best describes a null hypothesis in a hypothesis test?
Which statement best describes a null hypothesis in a hypothesis test?
In statistical hypothesis testing, what is the purpose of the null hypothesis?
In statistical hypothesis testing, what is the purpose of the null hypothesis?
Which type of hypothesis is a non-directional form of hypothesis?
Which type of hypothesis is a non-directional form of hypothesis?
In a clinical trial of a new drug, if the null hypothesis is that the new drug is no better than the current drug, what would the alternative hypothesis be?
In a clinical trial of a new drug, if the null hypothesis is that the new drug is no better than the current drug, what would the alternative hypothesis be?
If the final conclusion of an investigation retains a null hypothesis, what does this imply?
If the final conclusion of an investigation retains a null hypothesis, what does this imply?
What does the alternative hypothesis represent in statistical hypothesis testing?
What does the alternative hypothesis represent in statistical hypothesis testing?
What does it mean when an investigator concludes 'do not reject H0' in statistical hypothesis testing?
What does it mean when an investigator concludes 'do not reject H0' in statistical hypothesis testing?
What conclusion can be drawn if the null hypothesis is rejected in statistical hypothesis testing?
What conclusion can be drawn if the null hypothesis is rejected in statistical hypothesis testing?
What type of alternative hypothesis comes from prior literature or studies?
What type of alternative hypothesis comes from prior literature or studies?
What statement characterizes a null hypothesis?
What statement characterizes a null hypothesis?
'Not rejecting Ho' does NOT necessarily mean:
'Not rejecting Ho' does NOT necessarily mean:
