data and observation Flashcards
1
Q
what does qualitative mean
A
where you observe the appearance or quality of an object
2
Q
what does quantitative mean
A
where you observe the amount ( measured in precise values)
3
Q
sought these into qualitative and quantitative data
1. how it looks
2. how much it weighs
3. how it tastes
4. how it smells
5. how many slices
6. how much it costs
A
qualitative
1;3;4
quantitative
2;5;6
4
Q
what does observation mean
A
the use of 5 senses to take note of something
5
Q
what does inference mean
A
form a conclusion based on previous knowledge
6
Q
define accuracy
A
how close results are to the true value
7
Q
define precision
A
how close results are to one another
8
Q
define reliability
A
consistency of measure
9
Q
what is validity
A
accuracy of a measure
