continuous data
Data that can take on any value. There is no space between data values for a given domain. Graphs are represented by solid lines.
discrete data
Data that can only take certain values.
nominal data
categorical data with no order
ordinal data
categories with l...
NAPLEX 2022 biostatistics
Questions and answers
continuous data - answer Data that can take on any value. There is
no space between data values for a given domain. Graphs are
represented by solid lines.
discrete data - answer Data that can only take certain values.
nominal data - answer categorical data with no order
ordinal data - answer categories with logical rank (pain scale)
Interval Data - answer continuous data without true zero
Ratio Data - answer data with an absolute 0. Ratios are meaningful.
(Length, Width, Weight, Distance)
mean - answer average preferred for parametric continuous data
Median - answer middle (preferred for ordinal and non-parametric
continuous data)
mode - answer occurs the most often preferred for nominal data
range - answer the difference between the highest and lowest
scores in a distribution
, standard deviation - answer a measure of variability that describes
an average distance of every score from the mean
Normal distribution can be described as - answer when 68% of the
values fall within one standard deviation and 95% of the values fall
within 2 SD from the mean.
skew - answer refers to the direction of the tails (often as a result of
outliers)
variable - answer data point or characteristic that can be measured
or counted
independent variable - answer changed or manipulated by the
researcher
dependent variable - answer changes in response to the
independent variable
null hypothesis - answer there is no statistically significant
difference between the two groups
alternative hypothesis - answer there is a statistically significant
difference between the two groups
alpha - answer selected by the researcher as a maximum amount of
permissible error(commonly set at 0.05%)
confidence intervals - answer provides information regarding
statistical significance as well as precision (CI=1-alpha)
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 BRAINBOOSTERS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
