Multiple Choice
The sampling distribution of is approximated by a
A) normal distribution
B) t distribution with n1 + n2 degrees of freedom
C) t distribution with n1 + n2 1 degrees of freedom
D) t distribution with n1 + n2 + 2 degrees of freedom
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q58: Exhibit 11-2<br>An insurance company selected samples of
Q59: Of 300 female registered voters surveyed, 120
Q60: All of the following tests follow a
Q61: Exhibit 11-3<br>The results of a recent poll
Q62: The number of degrees of freedom for
Q64: Exhibit 11-4<br>When individuals in a sample of
Q65: During the primary elections of 2008, candidate
Q66: Exhibit 11-7<br>In the past, 35% of the
Q67: A medical journal reported the following frequencies
Q68: If we are interested in testing whether