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AP Bio Unit 0 + water properties Flashcards | StudBud
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AP Bio Unit 0 + water properties
AP Bio Unit 0 + water properties
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1
If the chi-squared value is GREATER THAN the critical value,
reject the null
fail to reject the null
2
Bar graphs are best used for...
continuous data (like time or temperature)
discrete categories
3
Controlled variables are ones that scientists...
keep the same between groups
graph on both the x and y axis
measure
change
4
Null means...
DULL
NO
YES
MAYBE
5
Which of the following increases accuracy in an experiment?
Not having a control group
Decreasing the amount of control variables
Increasing the trials/sample size
Reusing disposable materials
6
Which of these properties of water are helpful in transporting water through a plant?
High heat capacity
Adhesion
Cohesion
Good solvent
7
Which of the following is NOT one of water's special properties?
High Viscosity
Density Anomally- less dense as a solid
High Surface Tension
High Specific Heat Capacity
8
The independent variable is the one scientists...
graph on the y axis
keep the same between groups
change
measure
9
The dependent variable is the one scientists...
measure
change
graph on the x axis
keep the same between groups
10
Data is significantly different when error bars DO NOT overlap.
True
False
11
Line graphs are best used for...
discrete categories
continuous data (like time or temperature)
12
Is the critical value the one you calculate or find in the chi-square table?
Neither
Calculate
Both
Find in the chi-square table
13
Properties of water are a result of.....?
Covalent Bonds
Hydrogen
Hydrogen Bonding
14
If the chi-squared value is LESS THAN the critical value,
fail to reject the null
reject the null
15
What is the p-value for ALL biology experiments unless stated otherwise?
0.10
0.05
0.01
0.02
16
What is the equation for the degrees of freedom?
n+1
n-1
n/1
n*1
