Podcast
Questions and Answers
What is the purpose of descriptive statistics?
What is the purpose of descriptive statistics?
- To describe the sample data (correct)
- To interpret statistical results
- To identify differences in the sample data
- To make assumptions about the population
Which phase of data analysis allows making assumptions about the population?
Which phase of data analysis allows making assumptions about the population?
- Histograms
- Inferential statistics (correct)
- Numerical measures
- Frequency tables
What type of tests are applied to the sample's data in inferential statistics?
What type of tests are applied to the sample's data in inferential statistics?
- Tests to interpret statistical results
- Tests to make assumptions about the population (correct)
- Tests to identify differences in the sample data
- Tests to summarize and describe the sample data
Why is it important for the sample to be a good representation of the population in inferential statistics?
Why is it important for the sample to be a good representation of the population in inferential statistics?
What do summary statistics include?
What do summary statistics include?
Which phase of data analysis involves deriving conclusions from a statistical output?
Which phase of data analysis involves deriving conclusions from a statistical output?
In section 3.4, what are supplementary tests used for?
In section 3.4, what are supplementary tests used for?
What is the purpose of task 3 mentioned in the text?
What is the purpose of task 3 mentioned in the text?
What is the formula for calculating the relative risk (RR)?
What is the formula for calculating the relative risk (RR)?
When is the risk of disease considered greater among those exposed according to the relative risk (RR)?
When is the risk of disease considered greater among those exposed according to the relative risk (RR)?
What does an odds ratio (OR) measure?
What does an odds ratio (OR) measure?
What does an odds ratio of 13 suggest in the context of smokers and non-smokers?
What does an odds ratio of 13 suggest in the context of smokers and non-smokers?
When does the relative risk indicate a lower risk among those exposed?
When does the relative risk indicate a lower risk among those exposed?
What does the statement 'the less frequent the observation, the more likely the RR and OR will produce the same result' imply?
What does the statement 'the less frequent the observation, the more likely the RR and OR will produce the same result' imply?
What happens when the relative risk (RR) is exactly 1?
What happens when the relative risk (RR) is exactly 1?
What does the odds ratio measure in relation to smokers and non-smokers?
What does the odds ratio measure in relation to smokers and non-smokers?
