Podcast
Questions and Answers
What type of error occurs when the null hypothesis is rejected when it is actually true?
What type of error occurs when the null hypothesis is rejected when it is actually true?
- Type I error (correct)
- Critical value
- Acceptance region
- Type II error
What is the set of all values of the test statistic that causes us to fail to reject the null hypothesis?
What is the set of all values of the test statistic that causes us to fail to reject the null hypothesis?
- Alpha region
- Rejection region
- Non-rejection region (correct)
- Beta region
What is the point on the test distribution that is compared to the test statistic to determine if the null hypothesis would be rejected?
What is the point on the test distribution that is compared to the test statistic to determine if the null hypothesis would be rejected?
- Type I error
- Critical value (correct)
- Critical region
- Alpha region
What is the probability of rejecting the null hypothesis when it is actually true denoted by?
What is the probability of rejecting the null hypothesis when it is actually true denoted by?
What is a numerical quantity that characterizes a given population or some of its aspects?
What is a numerical quantity that characterizes a given population or some of its aspects?
What is a numerical measure that is calculated from the sample?
What is a numerical measure that is calculated from the sample?
What is the primary purpose of a null hypothesis in a hypothesis test?
What is the primary purpose of a null hypothesis in a hypothesis test?
What is the level of significance in a hypothesis test denoted by?
What is the level of significance in a hypothesis test denoted by?
What is the probability of making a wrong decision when the null hypothesis is true?
What is the probability of making a wrong decision when the null hypothesis is true?
What is the term for the error of rejecting a true null hypothesis?
What is the term for the error of rejecting a true null hypothesis?
What is the term for the error of failing to reject a false null hypothesis?
What is the term for the error of failing to reject a false null hypothesis?
What is the characteristic of a parameter versus a statistic?
What is the characteristic of a parameter versus a statistic?
What is the symbol used to represent the population mean in hypothesis testing?
What is the symbol used to represent the population mean in hypothesis testing?
What is the null hypothesis in the example where the average weight of all Grade 11 students is claimed to be 169 cm?
What is the null hypothesis in the example where the average weight of all Grade 11 students is claimed to be 169 cm?
What is a test statistic?
What is a test statistic?
What is the main difference between a parameter and a statistic?
What is the main difference between a parameter and a statistic?
What is Type I error?
What is Type I error?
What is Type II error?
What is Type II error?
