Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

BCPS study guide

biostatistics

QuestionAnswer
type of data: gender, group members, categories that are mutually exclusive with no order. qualitative non-numerical data. Nominal - think "n for naming"
type of data: categorical with order. used to measure attitudes or perceptions such as a likert scale or pain scale but the difference between is arbitrary. numbers only establish order but not amounts. Ordinal data
type of data: ordered and equal distance between values. zero is arbitrary and is simply used as any number rather than the lack of value. can have positive and negative values. tells distance between values but cant do ratios. Interval
type of data: ordered and equal distance between values but with absolute zero. Ratio
mean can be used with what types of data interval and ratio
median can be used with what types of data ordinal and continuous (interval and ratio)
mode can be used with what types of data all. only one that can be used for nominal
one standard deviation in percent, two and three 68.26%, 95%, 99% respectively
when does the mean equal the median in normally distributed data
what are the examples of tests for Nominal Data for independent samples the Chi square or (Fisher exact test). if three or groups more you have to do a contingency table. for dependent samples use McNemar test. if more than 3 groups you use Cochran Q.
what are the examples of tests for Ordinal Data for independent samples do Mann Whitney U or Wilcoxon rank sum. if 3+ groups use Kuskal Wallis. for dependent samples use wilcoxon signed rank or Friedman if 3+ groups
what are the examples of tests for Continuous Data for independent samples do student t. for 3+ groups use ANOVA for dependent samples do paired student t or ANOVA for 3+ groups
examples of parametric tests - for normally distributed data student t tests, ANOVA, ANCOVA, Pearson correlation, Linear regression
examples of non-parametric tests - for non-normally distributed data Wilcoxan Rank Sum, Mann Whitney U, Kruskal-Wallace, Friedman test.
Created by: mjuhlin
Popular Pharmacology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards