Podcast
Questions and Answers
What is necessary to calculate standard error of the mean?
What is necessary to calculate standard error of the mean?
- Population standard deviation (correct)
- T-score
- Sample size
- Sample variance
Which of the following is used to estimate the standard error of the mean?
Which of the following is used to estimate the standard error of the mean?
- Effect size
- Sample variance
- Null hypothesis
- T-critical value (correct)
What role does the sample size play in calculating sampling error?
What role does the sample size play in calculating sampling error?
- Estimating the standard deviation
- Affecting the precision of the estimate (correct)
- Calculating the t-score
- Determining the hypothesis
In hypothesis testing, what is a common outcome when the null hypothesis is rejected?
In hypothesis testing, what is a common outcome when the null hypothesis is rejected?
What does finding t-critical value involve in hypothesis testing?
What does finding t-critical value involve in hypothesis testing?
How does the estimation of effect size relate to hypothesis testing?
How does the estimation of effect size relate to hypothesis testing?
What is the standard deviation of the sample data?
What is the standard deviation of the sample data?
What is the formula to calculate the sample sum of squares?
What is the formula to calculate the sample sum of squares?
What does 'df' represent in the context of the sample data?
What does 'df' represent in the context of the sample data?
Which of the following is used to calculate the standard error of the mean?
Which of the following is used to calculate the standard error of the mean?
In hypothesis testing, what does 'p M' refer to?
In hypothesis testing, what does 'p M' refer to?
What is the purpose of calculating the sample variance in statistical analysis?
What is the purpose of calculating the sample variance in statistical analysis?
What does the calculated $Z$ value of 4.56 indicate?
What does the calculated $Z$ value of 4.56 indicate?
In hypothesis testing, what does it mean to reject the null hypothesis?
In hypothesis testing, what does it mean to reject the null hypothesis?
What does Cohen's d value of 1.44 suggest about the heights of boys compared to girls at age 16?
What does Cohen's d value of 1.44 suggest about the heights of boys compared to girls at age 16?
When the population standard deviation is unknown, what must be used as an estimate in statistical calculations?
When the population standard deviation is unknown, what must be used as an estimate in statistical calculations?
What information is lost when transitioning from knowing both population mean and standard deviation to knowing only the population mean?
What information is lost when transitioning from knowing both population mean and standard deviation to knowing only the population mean?
What does a $Z_{crit}$ value of -1.96 represent in hypothesis testing?
What does a $Z_{crit}$ value of -1.96 represent in hypothesis testing?