Whenever the population standard deviation is unknown and the population has a normal or near-normal distribution, which distribution is used in developing an interval estimation?
A)standard distribution
B)z distribution
C)alpha distribution
D)t distribution

Question

Quizplus · Accepted Answer

When the population standard deviation is unknown and the population has a normal or near-normal distribution, the t distribution should be used in developing an interval estimation. The t distribution takes into account the added uncertainty associated with estimating the unknown population standard deviation.

Whenever the Population Standard Deviation Is Unknown and the Population