SL CT Chapter 11: Sampling and Data Notes
0.0(0)Studied by 15 people
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/10
Earn XP
Last updated 1:27 AM on 9/14/23
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
11 Terms
1
New cards
Sampling Error
Occurs when a characteristic of a sample differs from the population. The error is random and will occur even for samples which are well chosen.
2
New cards
Coverage Error
Occurs when a sample does not truly reflect the population. Avoided by having a large and unbiased sample.
3
New cards
Non-response Error
Occurs when a large number of people do not respond.
4
New cards
Measurement Error
Inaccuracies in measurement at the data collection stage.
5
New cards
Simple Random Sampling
Drawing names, random number generators, etc.
6
New cards
Systematic Sampling
Selecting members of the population at regular intervals
7
New cards
Convenience Sampling
Selecting members because they are easier to access.
8
New cards
Stratified and Quota Sampling
Useful when the population can be divided into subgroups. You divide into subgroups and choose from each group to get an even result.
9
New cards
Categorical Data
Describes a quality or characteristic.
10
New cards
Discrete
Take exact number values (usually from counting)
11
New cards
Continuous
Can take any numerical value from a certain range (usually from measuring)
