Mathematics · Statistics
Consider the following statements regarding the Student's t-distribution: A. The t-distribution approaches the standard normal distribution as the degrees of freedom (df) increase. B. The variance of the t-distribution is always 1, irrespective of df. C. The t-distribution is used when the population variance is unknown. D. The t-distribution is symmetric about its mean, which is equal to zero. Which of the statements given above are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1All of the statements
- 2A, B and D
- 3B, C and D
- 4A, C and D✓
Correct answer
A, C and D
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