Experiment
The number of units observed in each group.
What is Sample size?
Data that is numerical in nature.
What is Quantitative Data?
Any substance added to a body of water that reduces water quality.
What is Pollution?
Generating predictions are included in the same step of the scientific method as.....
what is a Hypothesis?
Describes the center of a data set.
What is an Average?
Factors kept the same across all groups.
What are Controlled variables?
The calculations of averages and analysis of data ranges are examples of...
Microscopic photosynthetic organisms that live in damp and aquatic environments.
What is Algae
Casual, testable statement relevant to the research question
What is a Hypothesis?
Most commonly used alpha value.
0.05
Characteristics measured every time to better understand the environment in which experimental samples are collected from.
What are Dissolved Oxygen, Water temperature, pH, and water velocity?
The calculated probability of incorrectly concluding a difference in averages.
What is the p-value?
Area of land from which precipitation and irrigation water drain into a particular stream, river or lake.
What is a Watershed?
This describes the events that support the hypothesis.
What is a Prediction?
Provides a value that determines the statistical significance of the difference in averages resulting from an experiment.
What is a T-test?
Collecting a sample of water, filtering water, extraction, using of spectrophotometer to test concentration are all steps of....
What is measuring Chlorophyll a concentration?
Examines the strength of relationship between two variables.
Paved surface that water cannot penetrate.
What is Impervious Cover?
Experiment that contains no manipulation.
What is an Observational Experiment?
Contains a detailed description of the steps used to collect data and statistical tests used to analyze the data.
What is the Methods section?
Nutrient levels above the natural levels for a body of water.
What is Eutrophication?
Relates various concentrations of a chemical to the absorbance of those solutions using a particular wavelength of light.
What is a Standard Curve?
Fertilizers and manure from farms, fertilizers from urban areas, Human waste from untreated or leaking sewage system are sources of....
What are Nitrates?
Ensures that experiment results are not just coincidence or random?
What is Repetition?
What is the Introduction?