1.2 Flashcards
interpolation
predictions within recorded data
extrapolation
predictions about data not yet recorded
Length
The distance between two points
Mass
The amount of matter in an object
Volume
The amount of space an object takes up
Convert F to C
(F-32)(5/9)
Convert C to F
(C)(9/5)+32
Convert C to K
C+273
Qualitative observation
describes a characteristic of what the thing is (ex. hes tall)
Quantitative observation
an observation with a measurement or count (ex. hes 6 ft)
Prefixes
10^(a multiple of 3)
Order of prefixes
KBCMMNP
What axis is the dependent variable
y
What axis is the independent variable
x
Direct relationship
Both variables increase together
Indirect relationship
As one variable increases the other decreases
Constant relationship
change in one variable has no effect on the other
Find the mean of these numbers; 15, 18, 19, 20, 13, 12
16.2
Find the variance of these numbers;
15, 18, 19, 20, 13, 12
9.14
Find the SD of these numbers;
15, 18, 19, 20, 13, 12
3
What is Standard Deviation (SD)?
Used to quantify the amount of variation in a set of data
What does the symbol μ stand for?
micro
1 μm= 10^?
-6
