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Subjects

Applied Mathematics

Data Collection

In Class 11 Applied Mathematics, Data Collection introduces the process of gathering reliable information for descriptive statistics. Students learn to distinguish primary and secondary data, identify suitable sources, frame clear questions, and use methods such as surveys, interviews, observation, and published records. The topic also highlights careful planning, appropriate sampling, accurate recording, and awareness of bias, helping learners prepare data for classification, tabulation, and meaningful interpretation.

Easy · Level 1 · 1 questions

Practice questions

01For R = {x : x is a letter occurring in the word KITE}, what is n(R)?

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