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PS-1.5 Data Analysis
Test Description: Data tables, graphs, dimensional analysis
Instructions: Answer all questions to get your test result.
1) In a data table
A
values not agreeing with the hypothesis may be left out.
B
units are not needed, as they are understood.
C
values for the IV are recorded in the first (left) column, and values for the DV are recorded in the second (right) column
D
values for the DV are recorded in the first (left) column, and values for the IV are recorded in the second (right) column
2) Graphs
A
must always be line graphs in scientific reports
B
plot the DV on the X-axis and the IV on the Y-axis
C
plot the IV on the X-axis and the DV on the Y-axis
D
do not need a title, unlike data tables
3) A graph can show a relationship of DIRECT variation between the IV and the DV if
A
it shows a straight line parallel to the X-axis
B
it shows a curved line that never crosses either axis.
C
it shows a straight line passing through the origin
D
it shows a straight line parallel to the Y-axis
4) A graph can show a relationship of INVERSE variation between the IV and the DV if
A
it shows a straight line passing through the origin.
B
it shows a straight line parallel to the X-axis.
C
it shows a straight line parallel to the Y-axis.
D
it shows a curved line that never crosses either axis.
5) The best type of graph to show non-continuous data (data that is in catagories like
A
a bar graph.
B
a circle graph.
C
an astrological chart.
D
a line graph.
6) The type graph best suited to continuous quantitative data is
A
a bar graph.
B
a circle graph.
C
a line graph.
D
an astrological chart.
7) If you are given the value for other variables, you can solve for an unknown variable with
A
a hypothesis.
B
a calculator.
C
a formula.
D
dimensional analysis.
8) Dimensional analysis uses conversion factors to
A
change the units of a measurement.
B
change the value of a measurement.
C
solve for an unknown variable.
D
help plot graphs.
9) As technology improves (as when the microscope was invented)
A
advancement of science tends to slow down.
B
basic science investigations become less important.
C
science concepts can be studied more completely and accurately.
D
there is less need for the sciences.
10) A scientific model
A
is a completely accurate description of what is being described.
B
are not useful in making predictions.
C
never changes, as it is already perfect.
D
is used to make scientific concepts easier to understand.
*select an answer for all questions
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