Answer to Question #323586 in Statistics and Probability for Gendyl

Question

1. t - distribution is a probability distribution used to estimate parameters EXCEPT

when :

a.. the population standard deviation is known

b. the sample size is small.

d. the sample size is small and population variance is unknown

2. t distribution is also known as:

c. the population variance is unknown

a. Teacher's t distribution b. z-distribution

c. Student's t - distribution d. Teacher's z - distribution

Answer 1

1. t - distribution is a probability distribution used to estimate parameters EXCEPT

when :

a.. the population standard deviation is known

2. t distribution is also known as:

c. Student's t - distribution