A sample of 200 elements from a population is selected, and the standard deviation of the sample is computed. For an interval estimation of (, the proper distribution to use is the
A.normal distribution
B.t distribution with 200 degrees of freedom
C.t distribution with 201 degrees of freedom
D.t distribution with 202 degrees of freedom
Answer:A
A sample of 200 elements from a population is selected, and the standard deviation of the sample is computed. For an interval estimation of (, the proper distribution to use is the
A.normal distribution B.t distribution with 200 degrees of freedom C.t distribution with 201 degrees of freedom D.t distribution with 202 degrees of freedom