100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Biostatistics Final Exam questions with 100% correct answers $9.99   Add to cart

Exam (elaborations)

Biostatistics Final Exam questions with 100% correct answers

 1 view  0 purchase
  • Course
  • Biostatistics
  • Institution
  • Biostatistics

Biostatistics Final Exam questions with 100% correct answers

Preview 2 out of 12  pages

  • October 29, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Biostatistics
  • Biostatistics
avatar-seller
BukayoSaka120
Biostatistics Final Exam questions with
100% correct answers

What is biostatistics? - correct answer ✔✔Discipline concerned with the treatment and analysis of
numerical data derived from biological, biomedical, and health-related studies.



What is measurement? - correct answer ✔✔How we get our data... the assignment of numbers of codes
according to prior set-rules



What are the three disciplines of biostatistics? - correct answer ✔✔1. Improve intellectual content of
data.

2. Organize data into a format that is understandable.

3. Relies on tests of experience as standard of validity.



What is an observation? example? - correct answer ✔✔The unit upon which a measurement is made.
ex: a person or a region.



What is a variable? - correct answer ✔✔A characteristic being measured.



What is a value? - correct answer ✔✔A number or code that has been realized



How do you set up a data table? - correct answer ✔✔Observations in rows

Variables in columns

Values in the middle



When would you use a categorical scale? Example? - correct answer ✔✔When there are two or more
categories with no intrinsic ordering to the categories. Example - gender, blood type, disease state.

, When would you use an ordinal scale? Example? - correct answer ✔✔it puts observations into
categories that can be ranked/ordered. Ex: cancer stages.



When would you use a quantitative scale? Example? - correct answer ✔✔For numeric values. Ex: height,
weight, age.



What is objectivity? - correct answer ✔✔The intent to measure things as they are without shaping them
to conform to a preconceived worldview.



What are the two forms of measurement errors? - correct answer ✔✔1. Imprecision

2. Bias



What is imprecision? - correct answer ✔✔The Inability to get the same result on repeat.



What is reliability? - correct answer ✔✔Ability to replicate.



What is bias? - correct answer ✔✔The tendency to overestimate or underestimate the true value.



What is validity? - correct answer ✔✔The ability to identify the true nature of observation... when
something is unbiased



What are two types of studies? - correct answer ✔✔Survey

Comparative (experimental and non experimental)



What kind of sample entails equal chance in selection for generalization to the population? - correct
answer ✔✔Simple random sample.



What are three cautions you must have when picking a sample? - correct answer ✔✔Undercoverage

Volunteer bias

Non response bias

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller BukayoSaka120. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $9.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

83637 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$9.99
  • (0)
  Add to cart