Examlex
Biomass is the net dry weight of organic material available to feed the food chain.
Null Hypothesis
A hypothesis in statistics that assumes there is no significant difference or effect and serves as the default assumption in a hypothesis test.
Significance Level
A threshold used in hypothesis testing to determine whether to reject the null hypothesis, typically expressed as a probability such as 0.05 or 5%.
Type II Error
The failure to reject a false null hypothesis, also referred to as a "false negative."
Null Hypothesis
A default hypothesis that there is no significant difference or relationship between specified populations or variables.
Q2: Wave action works to straighten a coast
Q15: A high CEC means that<br>A)soil colloids can
Q31: Discuss the concept of the biome,including the
Q35: Which of the following is incorrectly matched?<br>A)community
Q65: The soil at the base of a
Q73: The 10°C isotherm for average July temperatures
Q89: Coral bleaching refers to<br>A)the killing of coral
Q123: Recent work suggests the climate is not
Q130: Farmers are concerned with soil from the
Q139: Chlorophyll _ green light,which means that it