Statistics in Biostatistics, Epidemiology, and Public Health

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Questions and Answers

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 (B)</p> Signup and view all the answers

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

<p>Qualitative (A)</p> Signup and view all the answers

What is the formula for calculating sample variance?

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

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

<p>Quantitative (C)</p> Signup and view all the answers

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

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

What type of distribution does a bar plot represent?

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

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

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

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

<p>Population size (D)</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 (B)</p> Signup and view all the answers

What is the science of assembling and interpreting numerical data?

<p>Statistics (A)</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 (A)</p> Signup and view all the answers

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

<p>Dentistry (D)</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 (C)</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% (B)</p> Signup and view all the answers

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

<p>50 (D)</p> Signup and view all the answers

What does 'TOC' stand for in the text?

<p>Table Of Contents (B)</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 (C)</p> Signup and view all the answers

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

<p>Public Health (B)</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 (A)</p> Signup and view all the answers

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