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  3. University Of Central Lancashire Preston (UClan)
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  5. BSc Physiology And Pharmacology
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  7. Biostatistics (BL2215)

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Short questions with answers
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This document contains short answer questions, (with answers included, some with descriptions next to the answer). suitable for preparing for exams. There are roughly 21 questions in this document. these notes have been made from the lectures that were given to me at UCLan.

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  • June 6, 2019
  • 9
  • 2017/2018
  • Study guide

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Biostats revision for Jan Exam

Lecture 1: introduction: types of data

- Statistics come in different types. Which are …

Descriptive & inferential

- What is descriptive

Summarise / tabulate the data, make main points clear, produce a summary statistic, GRAPH

- What is inferential

Analysis of data, makes claims based on observations, tests the hypotheses, uses a range of statistical tests and
models.

- What are the three major types of data?

Continuous (Quantitative), category (Nominal, Qualitative), Ordinal (Rank)

- Is the order of categories important in Category data?

NO the order is not important

- What are Binominal data?

The data set have two possible outcomes e.g male/female, yes/no …

- Does order matter in the Ordinal data?

YES order is important

- How do you calculate the average, the mean?

Add up all the values and divide by the number of values

- What is the median?

The middle value of the data set

- What is the mode?

The most common value in the data set

- What are the three descriptive statistics?

Mean, median and mode [each parameter is different and tells us something different about the data]

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Lecture 2: Descriptive statistics

- What are the measures of ‘Central Tendency’

Mean, Median and Mode

- What is the range?

This is the difference between the highest and the lowest point in the data set.

- What is the disadvantage of using the range?

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