Difficulty distribution
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3questions
Easy
3
100%
Descriptive Statistics and Correlation - Probability and Statistics - Data Science & Artificial Intelligence Previous Year Questions
Practice Descriptive Statistics and Correlation - Probability and Statistics - Data Science & Artificial Intelligence previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
2Papers
2Years
3Questions
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Descriptive Statistics and Correlation question pattern
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Questions by year
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Question type distribution
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3questions
Numerical Answer Type (NAT)
2
66.7%
MCQ
1
33.3%
Subject weightage
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Paper coverage
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Included previous year papers
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| Paper name | Year | Attempt | |
|---|---|---|---|
Data Science and Artificial Intelligence (DA) 20262026 | 2026 |
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Data Science & Artificial Intelligence (DA) 20242024 | 2024 | |
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All Descriptive Statistics and Correlation previous year questions
Practice every matching question in batches of 20, with every available option.
2024 · Data Science & Artificial Intelligence · Probability and Statistics · Descriptive Statistics and Correlation
Data Science & Artificial Intelligence (DA) 2024
Let the minimum, maximum, mean and standard deviation values for the attribute income of data scientists be ₹46000, ₹170000, ₹96000, and ₹21000, respectively. The z-score normalized income value of ₹106000 is closest to which ONE of the following options?
2024 · Data Science & Artificial Intelligence · Probability and Statistics · Descriptive Statistics and Correlation
Data Science & Artificial Intelligence (DA) 2024
The sample average of 50 data points is 40. The updated sample average after including a new data point taking the value of 142 is ______.
2026 · Data Science & Artificial Intelligence · Probability and Statistics · Descriptive Statistics and Correlation
Data Science and Artificial Intelligence (DA) 2026
For a given data set {x1, x2, ..., xn}, where n = 100, it is known that
\[\frac{1}{2000}\sum_{i=1}^{n}\sum_{j=1}^{n}(x_i - x_j)^2 = 99\]
Let us denote \(\bar{x} = \frac{1}{n}\sum_{i=1}^{n} x_i\)
The value of \(\frac{1}{99}\sum_{i=1}^{n}(x_i - \bar{x})^2\) is __________ . (Answer in integer)
\[\frac{1}{2000}\sum_{i=1}^{n}\sum_{j=1}^{n}(x_i - x_j)^2 = 99\]
Let us denote \(\bar{x} = \frac{1}{n}\sum_{i=1}^{n} x_i\)
The value of \(\frac{1}{99}\sum_{i=1}^{n}(x_i - \bar{x})^2\) is __________ . (Answer in integer)