Author Question: One method for correcting the bias in the standard error is to pool the two sample variances using a ... (Read 38 times)

MirandaLo

  • Hero Member
  • *****
  • Posts: 538
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

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

True

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

For a complete list of videos, visit our video library