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Author Question: All sampling plans involve random selection of the sample from the corresponding population. ... (Read 64 times)

Pea0909berry

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on: Jul 24, 2018
All sampling plans involve random selection of the sample from the corresponding population.
  Indicate whether the statement is true or false

Question 2

Which of the following is not true about the Student's t distribution?
 a. It has more area in the tails and less in the center than does the normal distribution.
  b. It is used to construct confidence intervals for the population mean when the population standard deviation is known.
  c. It is bell shaped and symmetrical.
  d. As the number of degrees of freedom increases, the t distribution approaches the normal distribution.
  e. It has more area in the tails and less in the center than does the normal distribution and it is used to construct confidence intervals for the population mean when the population standard deviation is known.


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perkiness

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

F

Answer to Question 2

B


Pea0909berry

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Reply 2 on: Jul 24, 2018
Gracias!

sultana.d

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Reply 3 on: Yesterday
Excellent

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