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Questions and Answers
Which of the following is NOT a measure of central tendency?
Which of the following is NOT a measure of central tendency?
- Mean
- Mode
- Range (correct)
- Median
What is the purpose of using inferential statistics in research?
What is the purpose of using inferential statistics in research?
- To test hypotheses about the differences between groups
- To determine the cause-and-effect relationship between variables
- To make predictions about a population based on a sample (correct)
- To describe the characteristics of a sample
What is the difference between a Type I and Type II error in hypothesis testing?
What is the difference between a Type I and Type II error in hypothesis testing?
- Type I error is rejecting the null hypothesis when it is actually true, while Type II error is failing to reject the null hypothesis when it is actually false (correct)
- Type I error is failing to reject the null hypothesis when it is actually false, while Type II error is rejecting the null hypothesis when it is actually true
- Type I error occurs when the sample size is too small, while Type II error occurs when the sample size is too large
- Type I error occurs when the sample is not representative, while Type II error occurs when the sample is biased
