Podcast
Questions and Answers
What is the primary assumption of the Central Limit Theorem?
What is the primary assumption of the Central Limit Theorem?
- The sample size is less than 30
- The population's distribution is normally distributed
- The data is nominal
- The sampling distribution of the sample mean is approximately normally distributed (correct)
What descriptive statistics are used for ordinal data?
What descriptive statistics are used for ordinal data?
- Median and range (correct)
- Mode and range
- Mean and range
- Median and standard deviation
What is the purpose of descriptive statistics in simple experimental designs?
What is the purpose of descriptive statistics in simple experimental designs?
- To summarise the data from each sample (correct)
- To test the significance of the results
- To compare the two groups
- To calculate the correlation coefficient
What is illustrated by a scattergram and regression line?
What is illustrated by a scattergram and regression line?
What is the level of measurement required for using mean and standard deviation?
What is the level of measurement required for using mean and standard deviation?
What is the purpose of testing the assumption of normality?
What is the purpose of testing the assumption of normality?
What is the main application of the Central Limit Theorem in psychological research?
What is the main application of the Central Limit Theorem in psychological research?
What is the primary purpose of descriptive statistics in research?
What is the primary purpose of descriptive statistics in research?
What is the primary distinction between descriptive and inferential statistics?
What is the primary distinction between descriptive and inferential statistics?
What is the purpose of testing the assumption of normality in statistical analysis?
What is the purpose of testing the assumption of normality in statistical analysis?
What is the primary role of hypothesis testing in psychological research?
What is the primary role of hypothesis testing in psychological research?
What is the primary advantage of using random sampling methods in research?
What is the primary advantage of using random sampling methods in research?
What is a primary objective of performing tests for normality?
What is a primary objective of performing tests for normality?
What is the primary difference between descriptive and inferential statistics?
What is the primary difference between descriptive and inferential statistics?
What is the purpose of a paired t-test?
What is the purpose of a paired t-test?
What is a requirement for using parametric inferential tests of difference?
What is a requirement for using parametric inferential tests of difference?
What is the purpose of a Wilcoxon signed rank test?
What is the purpose of a Wilcoxon signed rank test?
What is the primary advantage of using inferential statistics?
What is the primary advantage of using inferential statistics?