Question 1
Consider the dataset 10, 27, 32, 15 and 22. A new dataset is obtained by subtracting 3 from every observation.
Compute the value of (70*^(th)* percentile of new dataset) - (30*^(th)* percentile of the old dataset).
-3
9
3
-9
Consider the dataset 10, 27, 32, 15 and 22. A new dataset is obtained by subtracting 3 from every observation.
Compute the value of (70*^(th)* percentile of new dataset) - (30*^(th)* percentile of the old dataset).
-3
9
3
-9
Which of the following statements is/are true?
Median can be measured for a categorical variable only if the variable is nominal.
Mode can not be defined for categorical data.
There can be more than one mode for a data.
The sum of relative frequencies of all the observations in a given data set is always equal to 1.
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The IIT Madras BS Statistics for Data Science I (Stats 1) End Term paper sat on 31 Aug 2025, in the May 2025 term, set QDF1: 15 questions for 40 marks in 180 minutes. The first 3 questions are below. Sign in with Google — it is free — to see the whole paper with its answers and explanations, in learning mode or as a timed mock test.
| Feature | Stats 1 End Term 31 Aug 2025 Set QDF1 at a glance |
|---|---|
| Term | May 2025 term |
| Subject | Statistics for Data Science I |
| Course code | BSMA1002 |
| Questions | 15 |
| Marks | 40 |
| Duration | 180 min |
| MCQ | 2 |
| MSQ | 3 |
| Numerical | 10 |
| Official paper | IIT M FOUNDATION AN EXAM QDF3 31 Aug 2025 |
| Negative marking | No negative marking. |
| Updated |