Which of the Following Is True of the T-Distribution

question 2

Multiple Choice

Which of the following is true of the t-distribution?

• A) It has narrower confidence intervals than the standard normal distribution.
• B) It is only used to calculate confidence intervals where there is no known population standard deviation.
• C) It converges to the standard normal distribution as degrees of freedom increase.
• D) It does not require parameters such as degrees of freedom.