GATE DA 2024 Set 1 — Question 27
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Database Management & Warehousing → Continuous Random Variables → Data Normalization
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Question
Let the minimum, maximum, mean and standard deviation values for the attribute income of data scientists be ₹46000, ₹170000, ₹96000, and ₹21000, respectively. The -score normalized income value of ₹106000 is closest to which ONE of the following options?
Correct answer
(B) 0.476
Solution
The formula for the -score is:Given:
Mean () = 96000
Standard Deviation () = 21000
Value () = 106000Rounding to three decimal places, we get 0.476.
Mean () = 96000
Standard Deviation () = 21000
Value () = 106000Rounding to three decimal places, we get 0.476.
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