1.3 Flashcards
(9 cards)
How do you wright a scientific hypothesis
come up with a specific reason that explains phenomena; wright a testable statement
What is a hypothesis
A testable, scientific statement, that makes an assumption and gives reasoning for the assumption.
Why is a control group important
A control group is important to have to compare the varying datat to
How many independent variables can you change during an experiment
one
number of developing clams vs the temperature of the water they where grown in; independent
water temp
define controll group
standard to which comparisons are made in an experiment
Standard deviation
measure of variation from the mean
how is an error bar related to stdev
error bars show stdev on a graph
what does it mean if two error bars have some overlap
the stdev is close