A) a barter system that does not rely on money or other currency.
Because mesopotamia had a lot of empires
Regression is problematic for classical statistical tests that assume independently distributed errors.
Regression is a statistical technique that relates a dependent variable to one or more independent (explanatory) variables. A regression model can indicate whether an observed change in the dependent variable is associated with changes in one or more of the explanatory variables.
Regression comes from "regress", which comes from the Latin word "regresses" – (to return to something). In this sense, regression is a technique that allows us to move from chaotic and difficult-to-interpret data to a clearer and more meaningful model.
Regression analysis predicts a continuous dependent variable from a set of variables. Used when the independent variable. If your dependent variable is dichotomous, you should use logistic regression.
Learn more about Regression brainly.com/question/26843436
#SPJ4
<span>The answer is "Broca's area".
Broca's area is in charge of complex punctuation and discourse generation, which is located in the frontal lobe. Loss of discourse work is alluded to as Broca's aphasia. Interestingly, Wernicke's region is engaged with dialect appreciation. Harm to Wernicke's zone can influence the substance of discourse, however does not influence the stream or language structure.
</span>
<span>A) leisure time enjoyed by the citizens of a country.
B) environmental quality because that has no inherent value.
GDP - or Gross Domestic Product - is a measure of the economic health of a country. However, this measure does not take into consideration other factors, such as leisure time, or environmental quality, and so it could not be considered aa the only measurement used to determine the health of a country, or its grown or progress. </span>
