A sample of 100 people is classified by gender (male/female) and ...

[swpotter12]

A sample of 100 people is classified by gender (male/female) and by whether or not they are registered voters. The sample consists of 80 females and 20 males, and has a total of 60 registered voters. If these data were used for a chi-square test for independence, what is the expected frequency for males who are registered voters?
 
  A) 12
  B) 20
  C) 40
  D) 60

Question 2

If other factors are held constant, which set of sample characteristics is most likely to produce a significant t statistic?
 
  A) n = 25 with s2 = 100
  B) n = 25 with s2 = 400
  C) n = 100 with s2 = 100
  D) n = 100 with s2 = 400

[InfiniteSteez]

Answer to Question 1

A

Answer to Question 2

C