Author Question: To find a confidence interval for the difference between the means of independent samples, when the ... (Read 109 times)

saraeharris

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To find a confidence interval for the difference between the means of independent samples, when the variances are unknown but assumed equal, the sample sizes of the two groups must be the same.
 
  Indicate whether the statement is true or false

Question 2

Which of the following is not a characteristic of the normal distribution?
 
  A) Symmetric
  B) Mean = median = mode
  C) Bell-shaped
  D) Equal probabilities at all values of x



Andromeda18

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Answer to Question 1

FALSE

Answer to Question 2

D



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