Stats 2 End Term: 13 September 2026, Set 1 (May 2026 term)

Question 1

+3 marksOne or more correct options

A company manufactures batteries and claims that the standard deviation of the operating life of a battery is 4 hours. The quality control manager suspects that the actual variability is higher than the claimed value. A random sample of 17 batteries gave a sample standard deviation of 6 hours. Choose the correct set of option(s).

Select all that apply.

A
B
(A figure from the original paper is missing from the source site.)
C
We accept company's claim at 5% level of significance.
D
We reject company's claim at 5% level of significance.

Question 2

+3 marksNumerical answer

Find the value of

Enter your answer correct to three decimal places.

Question 3

+3 marksNumerical answer

13 more questions in this paper

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More on the Stats 2 End Term 13 Sept 2026 Set 1 paper

The IIT Madras BS Statistics for Data Science II (Stats 2) End Term paper sat on 13 Sept 2026, in the May 2026 term, set 1: 16 questions for 37 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 2 End Term 13 Sept 2026 Set 1 at a glance
Term	May 2026 term
Subject	Statistics for Data Science II
Course code	BSMA1004
Questions	16
Marks	37
Duration	180 min
MSQ	1
Numerical	13
MCQ	2
Official paper	Statistics2 13 Sep 26 (Session 2)
Negative marking	No negative marking.
Updated	25 Sept 2026

Other sets that day

Set S2