Question
Which of the following best describes independent
variables in a dataset?Solution
Explanation: Independent variables, also known as predictors or explanatory variables, are inputs or factors that are manipulated or observed to understand their effect on the dependent variable (outcome). For example, in a study analyzing the impact of advertising budget (independent variable) on sales revenue (dependent variable), the budget is varied to predict its influence on sales. Understanding independent variables is crucial for building predictive models, determining causality, and analyzing relationships. Proper identification of independent variables ensures the reliability and validity of statistical and machine-learning models. Option A: Variables changing in response to others are dependent, not independent. Option C: Constant variables do not vary and hence do not fit the dynamic nature of independent variables. Option D: Variables representing populations are not necessarily independent variables; they could be metadata. Option E: Independent variables have a measurable impact, contrary to what this option suggests.
The Economist Intelligence Unit (EIU) published the Global Liveability Index 2022. According to it which is the most liveable city in the world?
__________ is defined as the output per unit of variable input.
Mawsynram receives the highest average annual rainfall in the world because the Monsoon Winds of the Bay of Bengal
strike the _____________ hill.
What is the maximum limit of remittance under Liberalized Remittance Scheme?
Who among the following appoints the Governor of State?
Of which of the following global groupings is India not a part?
Who is the current Central Vigilance Commissioner (CVC)?
Which of the following states does the Tropic of Cancer not pass through?
What is the role of the Attorney General of India?
The number of nominated members in the Lok Sabha by the President.