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.
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