Find the critical value from the Studentized range distribution ...

[NguyenJ]

Find the critical value from the Studentized range distribution for H0: 1 = 2 = 3 = 4 = 5, with n = 18 at  = 0.01.
 
  A) 5.727 B) 5.404 C) 5.379 D) 5.094

Question 2

The grade point averages for 10 randomly selected students in an algebra class with 125 students are listed below. What is the effect on the width of the confidence interval if the sample size is increased to 20?
 
  2.0 3.2 1.8 2.9 0.9 4.0 3.3 2.9 3.6 0.8
  A) The width decreases.
  B) The width increases.
  C) The width remains the same.
  D) It is impossible to tell without more information.

[Swizqar]

Answer to Question 1

A

Answer to Question 2

A

[NguyenJ]

Thank you!

[Swizqar]

Always glad to help...