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Author Question: One method for correcting the bias in the standard error is to pool the two sample variances using a ... (Read 35 times)

MirandaLo

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on: Jun 20, 2018
One method for correcting the bias in the standard error is to pool the two sample variances using a procedure that allows the bigger sample to carry more weight in determining the final value of the variance.
 
  Indicate whether the statement is true or false

Question 2

Last week, Sarah had exams in Math, Spanish, and English. On the Math exam, the mean was  = 30 with s = 5, and Sarah had a score of X = 45. On the Spanish exam, the mean was  = 60 with s = 8 and Sarah had a score of X = 68. On the English exam, the mean was  = 70 with s = 8 and Sarah had a score of X = 70. For which class should Sara expect the better grade?
 
  A) Math
  B) Spanish
  C) English
  D) Grades are the same.


FergA

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

True

Answer to Question 2

A


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