Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
share
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

Data handling

QuestionAnswer
Define primary data... Primary data is data collected by you
Define secondary data... Secondary data is data collected by someone else
What 2 groups is data separated into? Numerical and categorical
What 2 groups is numerical data separated into? Discrete and continuous
What 2 groups is categorical data separated into? Nominal and ordinal
Define discrete... Data with exact values eg: the amount of goals in a football game....
Define continuous... Data that could always be more specific eg: you height could be 170cm, but this could be more accurate by saying 170.00127cm, and so on...
Define nominal... Data that you can not order eg: county of birth.
Define ordinal... Data that you can order eg: second names alphabetically.
Define qualitative... Non numerical data
Define quantitative... Numerical data
Define Continuous... Numerical data that is always measurements...
What is the difference between an open question and a closed question? An open question could have any answer given, while a closed questions answer is controlled by giving options
What is a sample? A small part of the population
What is discrete? An exact value
What are the 4 main ways of collecting data? Data logging Experiment Questionnaire Observation
What is data logging? Automatically collecting data with a computer or machine.
What is experiment? Measuring the outcomes of a situation you have described
What is a questionnaire? Carrying out a survey
What is observation ? A situation you collect data by looking at
What is random sampling ? Random sampling is picking people at random, everyone has an equal chance of being picked
What is systemic sampling ? Members of the population are chosen at regular intervals eg: every 100th person in a phone book
What is Quota sampling? When you keep asking people until you have enough from all the categories you need
Created by: DavidRoberts