Answer:
Correct answer: Regression analysis is a statistical procedure for developing a mathematical equation that describes how we can to estimate the relationships between variables.
Explanation:
The regression analysis encompasses a set of statistical methods that we use when both the response variable and the predictive variable (s) are continuous and we want to predict values of the first based on observed values of the second . In essence, the regression analysis consists of adjusting a model to the data, estimating coefficients from the observations, in order to predict values of the response variable from one (simple regression) or more variables (multiple regression) Predictive or explanatory.
The World Bank classifies the world's economies into four groups, based on Gross National Income per capita: high, upper-middle, lower-middle, and low income countries. Least developed countries, landlocked developing countries and small island developing states are all sub-groupings of developing countries.
A developing country (or a low and middle-income country (LMIC), less developed country, less economically developed country (LEDC), medium-industrialized country or underdeveloped country) is a country with a less developed industrial base and a low Human Development Index (HDI) relative to other countries
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