CUET · MATHS · PYQ PAPER 2025
Which of the following are the assumptions underlying the use of t-distribution?
(A) The variance of population is known.
(B) The samples are drawn from a normally distributed population.
(C) Sample standard deviation is an unbiased estimate of the population variance.
(D) It depends on a parameter known as degree of freedom.
Choose the correct answer from the options given below:
- A (A), (B) and (D) only
- B (A), (B) and (C) only
- C (B) and (D) only
- D (C) and (D) only
Answer & Solution
Correct Answer
(C) (B) and (D) only
Step-by-step Solution
Detailed explanation
(B) and (D) only
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