sampling and data collection Flashcards
(7 cards)
1
Q
what types of data are there?
A
quantitative: takes a numerical value
qualitative: using words to describe
quantitative can be split further into continuous and discrete
2
Q
what does discrete mean?
A
takes a specific value
like the days until the exam or the amount of coin flips before getting tails
3
Q
what does continuous mean?
A
can take any value from a specific range of values
like the time within the exam or the height of a student
4
Q
is age continuous or discrete?
A
how old someone is in years is discrete
how long somebody has been alive is continuous
5
Q
what is a population parameter?
A
a numerical value which describes a characteristic of the population
like the mean height of adults
6
Q
what is a statistic?
A
a estimate of the population parameter using data from a sample
7
Q
A
