IBHRE Research Methodology Questions and Correct Answers the Latest Update
5 views 0 purchase
Module
IBHRE CEPS
Institution
IBHRE CEPS
mean
the average
find total number of numbers then divide by the amount of numbers
example:
1,3,4,5, mean = (1+3+4+5)/4 = 3.25
median
the middle value when numbers are in order
example:
1,3,6,8,9 median = 6
45, 56, 123 median = 56
mode
the value that is written the most
...
✓ square root variance use to measure how tightly points are clustered around mean
✓ most medical work requires +/- 2 standard deviations to be statistically significant
✓ shown on a graph is histogram
null hypothesis
✓ predicts there is no relationship between two variables
✓ rejecting the null hypothesis means the P value is less than or equal to your
significance level
P-value
✓ how likely it is your data would have occurred under the null-hypothesis of your
given test
✓ - ranges from 0 (total certainty) to 1.0 (total uncertainty)
✓ - smaller than 0.01 (1%) is adequate for medical statistic probability
correlation coefficient
✓ measures the strength of relationship between variables
✓ measured R value = regression coefficient
✓ you want a tight correlation (closer to 1.0 the better)
✓ one variable can predict the other
✓ shown on a graph known as a scatter plot
Examify | Smart Grades | Latest update
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 TestTrackers. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £8.56. You're not tied to anything after your purchase.
