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# Statistics in Biostatistics, Epidemiology, and Public Health

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@FriendlyUnakite

### What is the formula for calculating standard deviation for a population?

• $\sigma = \sqrt{\frac{1}{N-1} \sum_{i=1}^{N} (x_i - \mu)^2}$ (correct)
• $\sigma = \sqrt{\frac{1}{N} \sum_{i=1}^{N} (x_i - \mu)^2}$
• $\sigma = \sqrt{\frac{1}{n-1} \sum_{i=1}^{n} (x_i - \bar{x})^2}$
• $\sigma = \sqrt{\frac{1}{n} \sum_{i=1}^{n} (x_i - \bar{x})^2}$
• ### What type of variable is 'smoker' in the given context?

• Quantitative
• Ordinal
• Qualitative (correct)
• Continuous
• ### Which type of distribution is represented by a histogram?

• Continuous distribution (correct)
• Discrete distribution
• Nominal distribution
• Ordinal distribution
• ### What does 'TA' represent in the given statistics?

<p>Total Average</p> Signup and view all the answers

### What type of variable is 'diet' in the given context?

<p>Qualitative</p> Signup and view all the answers

### What is the formula for calculating sample variance?

<p>$S^2 = \frac{1}{n-1} \sum_{i=1}^{n} (x_i - \bar{x})^2$</p> Signup and view all the answers

### What type of variable is 'age' in the given context?

<p>Quantitative</p> Signup and view all the answers

### In statistics, what does 'M' represent when calculating sample variance?

<p>Mean of the sample</p> Signup and view all the answers

### What type of distribution does a bar plot represent?

<p>Discrete distribution</p> Signup and view all the answers

### In statistics, what does 'µ' represent when calculating population variance?

<p>Mean of the population</p> Signup and view all the answers

### What does 'N' represent when calculating standard deviation for a population?

<p>Population size</p> Signup and view all the answers

### What is the discipline concerned with the treatment of numerical data derived from groups of individuals and things?

<p>Biostatistics</p> Signup and view all the answers

### What is the science of assembling and interpreting numerical data?

<p>Statistics</p> Signup and view all the answers

### Which field is specifically concerned with the study of the distribution and determinants of health-related states or events in specified populations?

<p>Epidemiology</p> Signup and view all the answers

### What is the Bachelor's Degree held by Fernando Cánovas?

<p>Dentistry</p> Signup and view all the answers

### 'Antibiotics reduce the duration of viral throat infections by 1-2 days' is an example of a statistic related to:

<p>% reduction in infection duration</p> Signup and view all the answers

### What percentage of women aged 30-49 consult their GP each year with heavy menstrual bleeding?

<p>5%</p> Signup and view all the answers

### At a specific health center, how many patients were diagnosed with angina last year?

<p>50</p> Signup and view all the answers

### How many times does the text mention 'brush one’s teeth 3 times a day' as a measure of oral hygiene?

<p>6 times</p> Signup and view all the answers

### Which field is concerned with studying the oral hygiene habits of citizens in Murcia?

<p>Public Health</p> Signup and view all the answers

### 'Variables Types Distribution Graphical representations Tendency of data Standard deviation Summaries' are related to which aspect of statistics?

<p>Descriptive Statistics</p> Signup and view all the answers

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