1.2 Statistics Flashcards
Length
Measurement of a line
Mass
Amount of matter in an object
Volume
How much space an object takes up
Temperature
Degree of hot or cold
Base unit of length
Meters
Base unit of mass
Grams
Base unit of Temperature
Celsius/Kelvin
Base unit of volume
Liters
Abbreviation for meters
m
Abbreviation for grams
g
Abbreviation for liters
L
Abbreviation for Celsius/Kelvin
C/K
Standard deviation
Variation in a set of date
What is X in the standard deviation formula?
One of the numbers in a set of data
What is the N in the standard deviation formula?
How many numbers there are
What is interpolation?
Predictions made within a set of data
What is extrapolation?
Predictions about new data
Left to right line on a graph, represents the independent variable
X-axis
Up and down line on a graph, represents the dependent variable
Y-axis
Shows variation in a bar graph, if these overlap both groups may be the same.
Error bars
What is the first step to writing a hypothesis?
Come up with a reason
What is the second step to writing a hypothesis?
Writing a testable statement
What is the formula for Fahrenheit to Celsius?
(F*5/9)-32
What is the formula for Celsius to Fahrenheit?
(C*9/5)+32
What is the mass of something in a container weighing 32 grams if the scale shows 68 grams?
36 grams
Is this a good hypothesis: The water will boil?
No
If you’re graphing the effect of the heat on water, what goes on the x-axis?
The temperature
What is the standard deviation of the set of numbers 16, 25, 36, and 49?
12.34
If you’re graphing the effect of wild gazelle on trees, what goes on the x-axis?
How many gazelles are in the wild.
If one error bar on a bar graph reaches from 5-9, and the other reaches from 8-12, are these samples likely the same?
Yes
Convert 30cm to mm
300mm
