RESEARCH METHODS MIDTERM - MCPHS SPRING QUESTIONS & ANSWERS VERIFIED 100% CORRECT!!
6 views 0 purchase
Module
RESEARCH METHODS - MCPHS SPRING
Institution
RESEARCH METHODS - MCPHS SPRING
null hypothesis (H0) - the statistical hypothesis tested by the statistical procedure; usually a
hypothesis of no difference or no relationship
Interquartile Range (IQR) - the difference between the first and third quartiles (middle 50% of
observations)
dichotomous measure - describes the prese...
RESEARCH METHODS MIDTERM -
MCPHS SPRING
null hypothesis (H0) - the statistical hypothesis tested by the statistical procedure; usually a
hypothesis of no difference or no relationship
Interquartile Range (IQR) - the difference between the first and third quartiles (middle 50% of
observations)
dichotomous measure - describes the presence or absence of an attribute (ex smoker/non-
smoker)
nominal data - categories that vary with no natural order (ex blood types)
ordinal data - categories with natural order but without clear units (ex severe vs mild symptoms)
what are the types of categorical (qualitative) data? - nominal and ordinal
what are the types of numerical (quantitative) data? - discrete and continuous
discrete data - data that can only take certain values (ex whole numbers)
continuous data - data that can take any value (ex decimals)
mean - average value; sum of all observations / # of observations
median - middle value; 50th percentile
mode - most common value
, range - difference between the highest and lowest values in a distribution
standard deviation - a measure of spread or variability about the mean
n- sample size
X (bar) - sample mean
s- sample size standard deviation
N- population size
μ- population mean
σ- population standard deviation
empirical rule - gives approximate percentage of values that fall within plus or minus 1(68), 2(95)
and 3(99.7) standard deviations
standard error of the mean - the standard deviation of the sampling distribution of sample means
confidence interval - the range of values within which a population parameter is estimated to lie
p value - the probability level which forms basis for deciding if results are statistically significant
parameters - true values that are constant
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 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 PatrickKaylian. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.35. You're not tied to anything after your purchase.
