0.1 Science
0.2 Scientific Method
0.3 measurement
0.5/0.6 standard deviation/ error
0.7 chi-squared
100
What is A educated guess that must be consistant with what's already known and capable of being tested?Provide a example
Hypothesis
ex: the bell will ring at the end of the period.
100
variable is unchanged, baseline that lets us see if the treatment has an effect
what is a controlled experiment
100
Base Units
L, s,g,mol, min
100
probability distribution where the values of a random variable are distributed symmetrically. Also known as the___
Normal distribution, bell curve
100
what is the equation?
200
There is no significance between the expected and observed data
what is a null hypothesis
200
experiment with definitive results from the variable
what is a positive control group
200
distance between two points
length
200
standard deviation equation
=
s
200
what does it find
analyzes if differences on data due to chance or a variable being tested
300
Hypothesis a researcher tries to test
what is a alternative Hypothesis
300
experiement where no response to the variable occures
what is negative control group
300
amount of matter an object has
mass
300
bar headed lines that represents of the variability of data
error bars
300
measure of the strength of evidence against the null hypothesis
P-Value
400
Explanation of how and why certain phenomena occur in the natural world.
what is a theory
400
the part of the experiment that you change
what is the independent varible
400
amount of energy
temperature
400
when error bars overlap, the data is ____
not significant
400
If P value is less than 0.05, then ___
greater than 0.05 ____
reject null hypothesis, fail to reject null hypothesis,
500
Describes what Happens
what is a law
500
the part of the experiment that changes as a result of the manipulation
dependent variable
500
a measure of how spread out the data is around the center of the data
variation
500
when error bars don't overlap ___
the data is signficant
500
x^2=
werid E =
O=
E=
chi squared
sum
observed data
expected values