Q1 Exam Flashcards
are prime consideration in every measurements made
Accuracy & Precision
closeness or nearness of measurement to the accepted value
Accuracy
refers how close the measurement of the same item are to each other
Precision
it is express in terms of absolute error or percentage of error
Accuracy
is express in terms of deviation or percentage of deviation
Precision
the process of visually representing data sets to convey information effectively to an audience.
Data Presentation
used to organize data into rows and columns, making it easier to compare and analyze various attributes, variables, or categories.
Tabular Presentation
use of charts and graphs to visually display, analyze, clarify, and interpret numerical data, functions, and other qualitative structures.
Graphical Presentation
factors that are manipulated or changed throughout the experiment in order to test a hypothesis.
Variables
a variable that stands alone and isn’t changed by the other variables you are trying to measure.
Independent Variables
something that depends on other factors
Dependent Variables
What are the 6 Types of Data Presentation?
H B B P P S
- Histogram
- Bar graphs
- Box-Whisker-Plots
- Pie charts
- Pictograms
- Spaghetti plot
Quantity that can ONLY be described by its magnitude such as time, mass, and temperature.
SCALARS
- A physical quantity characterized by both magnitude and direction.
- Velocity, acceleration, force, momentum, and electric field.
VECTORS
There are two (2) ways in adding vectors using graphical representation, what are these two?
- Parallelogram Method
- Polygon Method
