Answer:
Using a combination of tactics including legal challenges, demonstrations and economic boycotts, the NAACP played an important role in helping end segregation in the United States. Among its most significant achievements was the NAACP Legal Defense Fund's challenge to end segregation in public schools.
Explanation: make me brain !!!!
Advancements in mathematics led the Maya to the use of the number zero
Assuming Wally has the legal right to keep the dog, a possible private solution to this problem is that
"the current situation is efficient."
Efficiency is the capacity to abstain from squandering materials, vitality, endeavors, cash, and time in accomplishing something or in creating a coveted outcome. In a more broad sense, it is the capacity to do things well, effectively, and without waste. In more numerical or logical terms, it is a measure of the degree to which input is all around utilized for an expected assignment or capacity. It frequently particularly involves the capacity of a particular utilization of push to deliver a particular result with a base sum or amount of waste, cost, or superfluous exertion. Efficiency alludes to altogether different data sources and yields in various fields and businesses.
Answer:
An observational study of an association between two variables.
Explanation:
In the given scenario, it is an observational study of an association between two variables. The variables being :
- Explanatory variable (independant variable / predictor variable) may explain or influence changes in a response variable.
- Response variable (dependant variable) measures an outcome of a study.
Observational study observes individuals and records variables but doesn't attempt to influence the response (does not impose a treatment). It allows the researcher to directly observed the behavior of inteest rather than rely on the subject's self-descriptions (Survey) thus allowing the researcher to study the subject in its natural environment, thus removing the potentiallybased effect of the unnatural laboratory setting on the subject's performance.