Midterm

Question 1

Define Caption

Answer 1

A summary of info in the graph/figure

Question 2

What is a scatter plot?

Answer 2

Plots points to show the relationship between two sets of data

Question 3

Define high correlation

Answer 3

When two sets of data are strongly linked together

Question 4

What is a positive correlation?

Answer 4

When values increase together

Question 5

What is a negative correlation?

Answer 5

When values decrease together

Question 6

What are the three types of positive correlation?

Answer 6

Perfect Positive Correlation
High Positive Correlation
Low Positive Correlation

Question 7

What do you say where there isn’t any correlation?

Answer 7

No Correlation

Question 8

What are the three types of negative correlation?

Answer 8

Low Negative Correlation
High Negative Correlation
Perfect Negative Correlation

Question 9

What is the General Biotic Index of River Health (BI) used for?

Answer 9

Determines river pollution and health

Question 10

How to calculate BI?

Answer 10

Sum (n*a)/Sum n

Question 11

What does n stand for on BI?

Answer 11

Number of individuals per type of macro invertebrate in a sample

Question 12

What does a stand for on BI?

Answer 12

Tolerance value for type of macro invertebrate

Question 13

What is porosity?

Answer 13

% of a materials pore space

Question 14

What is the equation for porosity?

Answer 14

(Volume of voids/Total volume)x100

Question 15

Define Atmosphere

Answer 15

Thin Layer made up of a mixture of gasses and particles suspended in the air that surround the earth

Ex: Humans rely on oxygen provided

Question 16

Define Hydrosphere

Answer 16

A sphere that includes the liquid ocean, inland water bodies, and groundwater

Example: Conserving water, not being wasteful

Question 17

Define Cryosphere

Answer 17

A subset of the hydrosphere that consists of frozen water

Question 18

Define Geosphere

Answer 18

Includes the solid earth; core, mantle, crust, solid layers

Example: Watching people build homes, build sidewalks and roads

Question 19

Define Biosphere

Answer 19

Includes all of earth’s organisms including humans, and matter that decomposes

Ex: Consuming Food

Question 20

What is the independent variable?

Answer 20

The thing being controlled

Question 21

What is the dependent variable?

Answer 21

What is changing from the control?

Question 22

How do you find the mean on graphing calc?

Answer 22

x̄

Question 23

How do you find the SD on graphing calc?

Answer 23

Sx

Question 24

How do you find the variance on graphing calc?

Answer 24

Sx^2

Question 25

How to find the standard error on graphing calculator?

Answer 25

Ox^2