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Author Question: Two separate samples are being used to estimate the difference between population means for two ... (Read 54 times)

tfester

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on: Jun 20, 2018
Two separate samples are being used to estimate the difference between population means for two treatment conditions. Which of the following would produce the widest confidence interval?
 
  A) n1 =n2 = 10 with a pooled variance of 10
  B) n1 =n2 = 10 with a pooled variance of 100
  C) n1 =n2 = 20 with a pooled variance of 10
  D) n1 =n2 = 20 with a pooled variance of 100

Question 2

A skewed distribution typically has ____ tail(s) and a normal distribution has ____ tail(s).
 
  A) 1; 1
  B) 1; 2
  C) 2,;1
  D) 2; 2


jojobee318

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Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

B


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