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Author Question: Consider a large population with a mean of 150 and a standard deviation of 27 . A random sample of ... (Read 94 times)

Mr. Wonderful

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on: Jul 24, 2018
Consider a large population with a mean of 150 and a standard deviation of 27 . A random sample of size 36 is taken from this population. The standard error of the sampling distribution of sample mean is equal to:
 a. 4.17
  b. 4.50
  c. 5.20
  d. 5.56
  e. 6.00

Question 2

A statistics professor wanted to test whether the grades on statistics test were the same for upper and lower classmen. The professor took a random sample of size 12 from each and conducted a test determining that the variances were equal. For this situation, the professor should use a matched pairs t-test.
  Indicate whether the statement is true or false


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nguyenhoanhat

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Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

F


Mr. Wonderful

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Reply 2 on: Jul 24, 2018
Gracias!

mochi09

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Reply 3 on: Yesterday
Excellent

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