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A _______________ is a variable that holds one value at a time.

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A _______________ is a variable that holds one value at a time.

(a) Scalar variable

(b) Duplex

(c) High

(d) Vector

The question was posed to me in an internship interview.

My question is from Install and Configure topic in chapter History, Overview and Getting Started of R Programming

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Correct answer is (a) Scalar variable

The explanation is: A scalar variable was a variable which holds one value at a time. It is a single component which assumes a range of number or string values. A scalar value is associated with every point in space.

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