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Author Question: Obtaining secondary data is typically ______ and ______ expensive than obtaining primary data. a. ... (Read 206 times)

Frost2351

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on: Jun 29, 2018
Obtaining secondary data is typically ______ and ______ expensive than obtaining primary data.
 a. faster; more
  b. slower; more
  c. faster; less
  d. slower; less

Question 2

To check if the central limit theorem holds for a sample proportion (and therefore can be used for calculating confidence intervals), the value calculated from np(1p) should be
 a. less than 1 c. less than 25
  b. greater than 5 d. greater than 30


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courtney_bruh

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Reply #1 on: Jun 29, 2018
Answer to Question 1

C

Answer to Question 2

B
The value should be greater than 5 . (Note that this is a guideline that statisticians have found to work well in practice, not a natural law, and is often even stronger than one needed.)


Frost2351

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Reply 2 on: Jun 29, 2018
Gracias!

FergA

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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