1.4 Study Set Flashcards
What is the difference between qualitative and quantitative data
Qualitative data: characteristic of something (a description, no numbers)
Quantitative data: characteristic/description involving measurement/count/numbers
What does temperature measure
degree of hotness=kinetic energy an object/particle has
What does volume measure
amount of space an object takes up
what does mass measure
amount of matter in an object
what does length measure
distance between two points
What place value would you measure to on a ruler with 10 cm markings
____ cm
What place value would you measure to on a ruler with 1 cm markings
___.__ cm
What place value would you measure to on a ruler with 0.1 cm markings
___.___ ___ cm
Definition of Precision
being exact/accurate; exactness
Definition of Accuracy
being precise, correct, spot on; a measurement/calculation’s correct value
How to find the median
line up all data smallest to largest, cancel out until you reach the middle
how to find the range
subtract the highest and lowest numbers of data recorded
how to find the mean/average
add up the values to get the sums, then divide by the number of the values of the data set
The observation that a person is tall is…
qualitative data
Volume is the measurement of …
the space a given object occupies
